Yellow Home Compostable HEROPACK Mailers- from packs of 25
Yellow Home Compostable HEROPACK Mailers- from packs of 25
Yellow Home Compostable HEROPACK Mailers- from packs of 25
Yellow Home Compostable HEROPACK Mailers- from packs of 25
Yellow Home Compostable HEROPACK Mailers- from packs of 25
Yellow Home Compostable HEROPACK Mailers- from packs of 25
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Load image into Gallery viewer, Yellow Home Compostable HEROPACK Mailers- from packs of 25
Load image into Gallery viewer, Yellow Home Compostable HEROPACK Mailers- from packs of 25
Load image into Gallery viewer, Yellow Home Compostable HEROPACK Mailers- from packs of 25
Load image into Gallery viewer, Yellow Home Compostable HEROPACK Mailers- from packs of 25
Load image into Gallery viewer, Yellow Home Compostable HEROPACK Mailers- from packs of 25

Yellow Home Compostable HEROPACK Mailers- from packs of 25

Regular price $219.00

Unit price per 

Yellow Shipping Mailers

Finally! Our yellow shipping mailers have arrived! This is our latest certified Home-Compostable HEROPACK. 

It looks and feels like plastic, but it's not. Not even close. It is a 100% home-compostable shipping mailer and is made from 70-80% PBAT (a co-polymer that is completely compostable) and 20-30% PLA (which is a fancy way of saying cornstarch).

In a commercial compostable environment, it will break-down within 90 days. At home, it may take up to 120 days.

Please note: These mailers are translucent. We highly recommend packaging your products in a bag or wrapping that is opaque so the products can't be seen through the packaging. The translucency of the HEROPACK material is due to the nature of the renewable ingredients used. There are strict rules to be in compliance with the Australian home-compostable certification from ABA, and this is the most important factor for us. If you are looking for no transparency, we recommend our black compostable mailers.


  • XS: 4.3"x8.7" (11cm x 22cm) (perfect for lipsticks, pens, sunglasses, skincare, scrunchies, bikini tops or bottoms, socks)
  • Small: 7.5"x10.2" (19cm x 26cm) (perfect for t-shirts, swimwear, small notebooks, kids clothes)
  • Small-Medium: 8.7"x13.4" (22cm x 34cm) (perfect for shirts, kids clothing bundles, kaftans)
  • Medium: 10.4"x15" (26.5cm x 38cm) (perfect for sweaters, pants, lightweight jackets)
  • Large: 14.2"x18.9" (36cm x 48cm) (perfect for hoodies, large sweaters, suits, cushions, medium boxes)
  • XL: 21.7"x21.7" (55cm x 55cm) (perfect for multiple hoodies or sweaters, large cushions, dog beds)

Design features:

  • Small HEROPACK logo in black on the front
  • Double adhesive strip so your customers can re-use the bag
  • Premium matte finish to differentiate our compostable mailers from glossy plastic mailers.
  • You can apply your existing shipping labels or write directly onto the mailer.
  • Waterproof to keep shipments safe from rain.
  • Medium Transparency*
  • Dimensions of the mailer now mentioned on the back for ease of re-ordering.
  • Are you looking for customised mailers with your own brand logo? Check out our Custom Mailer page.
  • Our compostable mailers are tough and durable.

Want to know how to home-compost? Check out this article!


  • Australia: Home Compostable (AS5810) and Commercially Compostable (AS4736)
  • International: Home Compostable (EN13432) and Commercially Compostable (EN13432)

Please note: If you're shipping any products which have sharp corners or edges (such as shoe boxes), it's best to trial a couple of shipments with our mailers to ensure everything performs as expected. In order to remain certified home-compostable, our mailers can't be too thick like evil plastic mailers, so sharp corners could sometimes cause damage. Other than that, HEROPACK mailers have a high weight load rating and can withstand all the hard knocks during the shipping process.

Product shelf life: as our compostable mailers are made using renewable ingredients, they have a shelf life of approximately 9-12 months when kept in cool and dry conditions, out of direct sunlight. This should be considered when ordering mailers in bulk. We recommend ordering for a 3-6 month period of shipments.

Hero Packaging's HEROPACK yellow shipping bags are both high-quality and eco-friendly. They're 100% compostable and made of 70-80% PBAT (compostable co-polymer) and 20-30% PLA (cornstarch). These materials are what make the mailers so durable, while also ensuring that they'll break down within 90-120 days.

Why Choose Hero Packaging Mailers?

Hero Packaging Mailers help you to make a good impression with your customers. Unlike cheap, glossy, plastic mailers, Hero Packaging mailers have a premium matte finish. Their overall design is attractive yet subtle, with only a small, grey HEROPACK logo printed against the solid yellow backdrop.

Worried you'll be shipping your products during harsh Australian weather? Hero Packaging Mailers are totally waterproof, keeping your shipments safe from the rain. You can also apply your own shipping labels or write on them directly to ensure they get where you need them to go!

Choose the Perfect Size for Your Product

Our yellow shipping mailers come in 5 sizes, all of which are similar to the sizes used by Australia Post. This includes the small (19cmx26cm), the small-medium (22cmx34cm), and the large 3kg (36cmx48cm). We currently offer packs in quantities of 25, 50, 100, 250, 500, and 1000. To order in larger quantities and gain more customisation options, we recommend using our custom compostable mailers form.

Unsure which size or colour to choose? If you'd like to try out our different mailers before purchasing one of our larger packs, you're welcome to order our HEROPACK sampler. The sampler contains 1 mailer of each colour and size, giving you the variety you need to determine which mailer suits your product best.

Order Your Yellow Postage Bags Today

If you're interested in ordering your own pack of yellow mailers or have any questions, please don't hesitate to reach out to us. You can contact us by emailing or by using our online contact form.

Shipping & Returns

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COVID-19 Information

Dispatch Times

Delivery Times & Information - Australia

Delivery Times & Information - International

Returns Information

Pre-Order Information

COVID-19 Update & Holiday Information:

WAREHOUSE: We're shipping orders the next business day as usual from our Utah warehouse.

OFFICE: The Hero Packaging office is back open for 2022!

USA & Canada: No delays. Orders generally ship with FedEx.

International (outside USA & Canada):
Some delays, depending on COVID-19 outbreaks in destination country.

There may be delivery delays for orders shipping outside North America. Please allow more time for your order to arrive and check your tracking link for the latest information before contacting us. If in doubt, contact the shipping carrier directly to obtain further information. When ordering mailers, it's best to keep additional buffer stock to avoid running out during this time.

Dispatch times:

Hero ships the next-business day! All orders are shipped the next business day from our Utah warehouse once payment has been made. You will receive a shipping confirmation with your tracking details once the order has been shipped. Our order system is highly automated, which means we cannot amend or change orders once placed under any circumstances. However, if you need to return mailers, please review our returns information below.

Delivery times:

USA & Canada orders:

Delivery times: In general, please allow 2-6 business days for delivery once your order has been shipped. Please note that unforseen events such as natural disasters can impact delivery times. Check our website for the most up to date information.

    International orders (outside USA & Canada):

    Delivery times: In general, please allow 5-15 business days for delivery once your order has been shipped. Delivery times vary from country to country and sometimes rely on the central postal services in the recipient country. Please note that unforseen events such as natural disasters can impact delivery times. Check our website for the most up to date information.

      Import duties: Orders placed outside of the USA mat be classed as an import in the recipient country, including Canada. As such, you will need to pay the associated import duties and taxes required to clear customs in your country. The shipping carrier assigned to your shipment will contact you using the details on your order when placed. If import duties are not paid by the recipient as required, the shipment might get automatically returned to our warehouse by the shipping carrier, and no refunds will apply in these cases.


      Change of mind: If you have purchased the wrong size, or no longer need your mailers, you may be able to return them for a store credit within 14 days of purchase. Due to the renewable ingredients used and shelf life of our mailers, no change-of-mind returns can be accepted under any circumstances after this period. We have a strict returns process to ensure all returns are received correctly and can be re-sold to other customers. Change of mind returns are also subject to handling and restocking fees and the original shipping cost being deducted from any store credit. If you need to return your mailers, please contact us for further instructions.

      Product issues: Sometimes things don't go to plan. Rest assured we will ensure a fast resolution which can include product replacements, store credits and refunds. If you have any product issues whatsoever, please contact us for further instructions. Generally, we will request photos or a video of any issues to help provide the fastest resolution.

      Pre-Order Information:

      Occasionally, our mailers could be out of stock and move to a pre-order listing. This will be noted when purchasing the mailers and will also be noted in your order confirmation alongside any pre-order items. 

      No Split Shipments: Please note that if pre-order items are purchased together with regular items which are in stock, the entire order will be on hold until the pre-order stock is available for shipping (we cannot partially ship orders). If you wish to place a pre-order as well as purchase available items, it's best to purchase separately to avoid delays in shipping your order.

      You will receive a shipping tracking notification as soon as your order has been dispatched. If you have any questions, please message us for assistance.



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      What exactly are they made from?

      HEROPACKS are made from home-compostable materials, mainly corn starch and PBAT (a compostable ingredient which bonds the renewable ingredients together). 

      How do we compost them?

      To compost them at home, it’s best to remove any labels, cut them up and place in your compost bin as “brown” materials. These will completely break down within 90-120 days in a home-compostable environment - sometimes even sooner!

      These can also be sent to composting facilities to be properly broken down and composted. If you are in Australia, please CLICK HERE to find a composter near you. You can also ask your local council if they can provide a composting green bin for you. Another great option is to visit to find a local home-composting enthusiast near you!

      What happens if they end up in landfill?

      The best part is that they still break down in landfill. Unfortunately, due to the nature of the landfill process, this will still add to methane production. That's why it's important to help your customers compost our products to take full advantage of the environmental benefits. Our products take about 2 years rather than 90 days to break down in landfill. In contrast, traditional plastic shipping mailers take 400 years or more to break down, and still release deadly methane gas into the atmosphere.

      How do your mailers compare to Australia Post (Auspost) mailer sizes?

      Australia Post has the following sized mailers:

      500g - 220x355mm
      1kg - 265x385mm
      3kg - 310x405mm
      5kg - 435x510mm

      The closest mailers we have are as follows:

      500g - Use our Small-Medium mailer (220x340mm)
      1kg - Use our Medium mailer (265x380mm)
      3kg - Use our Medium (265x380mm) or Large (360x480mm)
      5kg - Use our X Large (550x550mm)

      How does shipping work for HEROPACKs (compared to Australia Post pre-paid mailers)?

      When you purchase HEROPACKs, you are purchasing the mailers only (not the shipping). To pay for shipping, you will need to go to an Australia Post shop and get labels printed or if you use e-Parcel or Sendle, you can print and pay for labels at home. If you need any more information, head to our blog post - Check it out here!

      What happens in water?

      They are water resistant but if they are placed in water for a long time, they will break down there too. It takes much longer to break down in water because of the cooler temperatures.

      How can I tell my customers about the compostable packaging?

      If you place an order with us, you will receive a link to our Retailer Media Pack, including images and information sheets to send to your customers and/or display on your website.

      Are the white strips covering the adhesive also compostable?

      The white strips are not currently compostable so should be commercially recycled. However, once your customers receive the mailers, the white strips covering the adhesive have already been removed, leaving the compostable mailer for your customers to home or commercially compost. In order to recycle, find a commercial recycling provider near you.

      What's the difference between compostable and biodegradable?

      In short, a biodegradable product simply breaks down into smaller micro-plastics which still contaminate the environment. Certified home-compostable products break down as if they were never there, and can also be safely eaten by worms. Therefore, a compostable product is always more preferable over a biodegradable product. 

      Do your compostable mailers have a shelf life?

      Yes. As our compostable mailers are made from renewable ingredients, they have a shelf life of approximately 9-12 months when kept in cool and dry conditions, out of direct sunlight. This should be considered when ordering mailers in bulk. We recommend ordering for a 3-6 month period of shipments when purchasing mailers. We are also working on many mailer design improvements which will see this life expectancy increase in the future.

      Get Your Own Custom Compostable Mailers!

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      We offer custom compostable packaging options with minimum order quantities 
      starting from 10,000 pieces. Custom orders take approximately 12-16 weeks from deposit payment date to receipt of mailers into your warehouse.

      Fill out the form below so we can send you a quick quote on your custom compostable mailers!

      We have a price-beat guarantee (conditions apply). If you receive a lower price on like-for-like mailers, we will beat it by 5%.

      Our versatile mailers are durable, stylish, and easy for mail shipments. They look fantastic in different color options and can be used for e-commerce product packaging, subscription boxes, or gift boxes. We give you a wide range of custom mailers that will fit your brand and amaze customers. 

      Wide Range of Color Options 

      Branding is an integral part of any business. Your brand visuals need to be consistent to gain credibility, improve the brand image, and gain recognition. 

      We are all about customization, but here are some off-the-shelf color options that we offer: 


        We can cater to any color needs you might need via our customization options. Get in touch with us via our enquiry form for customization here, and we will provide. 

        The Future of Custom Packaging 

        At Hero Packaging, we offer HD printing services that are the latest digital technology for printing. All of our designs are applied in a single, clear step. All your custom packaging will look amazing and impress your customers. 

        Compared to traditional technologies, our processes offer higher accuracy and speed. At the same time, we offer our services at affordable prices. 

        Benefits of Our Custom Mailers 

        We are reliable partners that bring competitive prices and high-quality products. Here are the main reasons why so many e-commerce companies work with us. 

        We are Flexible 

        We can deliver your custom shipping bags anywhere in Australia. No matter what kind of design you need, we have the tools to execute them to perfection. If you have special edition products coming out, we can adjust your artwork to showcase their significance. 

        Our Products are Slick and Luxurious 

        Our HD prints give a fantastic, slick, and luxurious look. The packaging of your products needs to tell what’s inside. When customers buy your products, they will feel like members of an exclusive club. 

        Maximum Clarity 

        No matter how simple or complex your artwork is, we can deliver. Our high-precision imagery gives fantastic quality and will make your designs shine. Proudly supporting the not-for-profit organization Greenfleet and committed to a greener environment, Hero packaging only provides 100% compostable mailers. 

        Test Our Samples 

        We understand that our customers want to see how our products look, check their quality, and see what they are getting for their money. Before we do a full product line, we can do as many sample mailer packs as you want. Be creative and tell us what you want. We will send samples in a couple of workdays. 

        Get Creative 

        Check our offers and design your unique product packaging. Tell us your ideas.


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        Customer Reviews

        Based on 36 reviews
        Miranda Arrighi
        Excellent product

        This is my first time using these mailers and I’m finding them fantastic so far! They feel sturdy enough to be protective and the yellow is vibrant and fun.

        Danila Ieroianni

        Buste resistenti, non sono troppo trasparenti e il colore e' davvero bello. Ci sono stati ritardi nella consegna a causa della situazione pandemica, ma l'azienda e'stata presente e sempre a disposizione. Acquistero' ancora, per il mio ecommerce sono il prodotto giusto.

        Andreja Kocjancic
        Black print on pink mailers is faded

        Hello, I've recently purchased yellow, pink and white mailers. The pink had all of the text printed in a very faded grey colour. Not sure if that was intentional, just letting you know.

        Jo Carney
        Yellow home compostable hero pack mailers

        I love my heropacks. not only do they remove plastic and paper packaging from the supply chain, but they also make packages fun and pretty and are so easy to pack. Their flexibility make them lovely to use.

        Acacia Calder
        Exactly what I needed

        My only complaint is the transparency of the bags. However I did know this before purchasing and they were exactly as described, arrived quickly and fit perfectly with my branding

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