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Compostable Mailers

These home compostable, cornstarch poly mailers are biodegradable, strong & waterproof. Great for shipping and partly made from plants.

View Size Guide
comPOST Packs Size Guide
XS S SM M L LL XL XXL UBER
Length (mm) 235 235 280 325 385 420 455 594 650
Width (mm) 135 165 195 255 260 330 395 420 600
Flap (mm) 40 40 40 40 40 80 80 80 80
Seals 1 1 1 1 1 2 2 2 2
Thickness (um) 63 63 63 63 63 63 81 81 81
Black Dirt Bags ✓ *TR ✓ *TR
Good to be Blue
Stone in the Buff
White Dirt Bags
• XL now comes in a 63um thickness. This allows slightly more light through but the bags remain opaque and still provide excellent protection for your products.
• *TR – Our Tote-ally reusable design has printed instructions for how they can be reused as a carry bag.
View Size Guide
comPOST Packs Size Guide
XS S SM M L LL XL XXL UBER
Length (mm) 235 235 280 325 385 420 455 594 650
Width (mm) 135 165 195 255 260 330 395 420 600
Flap (mm) 40 40 40 40 40 80 80 80 80
Seals 1 1 1 1 1 2 2 2 2
Thickness (um) 63 63 63 63 63 63 81 81 81
Black Dirt Bags ✓ *TR ✓ *TR
Good to be Blue
Stone in the Buff
White Dirt Bags
• XL now comes in a 63um thickness. This allows slightly more light through but the bags remain opaque and still provide excellent protection for your products.
• *TR – Our Tote-ally reusable design has printed instructions for how they can be reused as a carry bag.

Unit Quantity: Varies. 1 pack contains 100 Mailers

Size
Colour
Black Dirt Bags
Stone in the Buff
Unit Quantity
BP_Stacked_-_Quality_Guaranteed_-_200x700px
BP_Stacked_-_Quality_Guaranteed_-_200x700px

The original Real Dirt Bag - a certified home compostable, fully biodegradable mailing satchel partly made from plants.

All fresh stock has a shelf life of 10 months. We recommend you buy for a maximum 6-month usage period.

Short-dated stock is should be used within 3 months of purchase. After that time, it will begin to lose its strength.

Find out how to compost our products.

Got a question? Check out our FAQS.

THE DETAILS

We've produced over 100 million of these bags and are super-confident in their ability to do the job of protecting your goods! We also guarantee their quality.

A flat bag (i.e. no gusset, but some stretch) with a matt finish and printed graphics as per the image gallery.

• PROTECTION
Waterproof, tough & durable (tear resistant with some stretch)

• LABELLING
Labels will stick to these bags* and the lighter colours can be written on with a permanent marker.

• RE-USE
'Cut here to reuse' instructions are printed along the seal. Larger sizes have two seals to facilitate re-use.

• OPACITY
Our Black Dirt Bags are completely opaque, all other colours are slightly transparent.

• SIZES & SEALS
Seal with a fold-over flap and a peel-and-seal adhesive strip. Check the Sizing Guide as the bag thickness and number of seals vary by size.

• SHELF LIFE
The shelf life is 10 months. We recommend you buy for a maximum 6-month usage period.

*We do extensive QA testing with our own labels and others, but can't guarantee that ALL labels will stick to these mailers.

• Made from completely biodegradable and compostable materials; corn starch, PLA (synthesised from corn) and PBAT (Polybutyrate Adipate Terephthalate).

• This combination of materials is non-toxic and contains no Phthalate or Bisphenol A (BPA).

• Certified free of GMO material.

• While these materials are biodegradable and compostable, they are not 100% renewable as the PBAT component is derived from petroleum-based materials. We are limited at the moment by the availability of suitable, sustainable raw materials that deliver the barrier and performance properties we need but are always testing resins made from an even greater amount of plant-based material – exciting times!

• CARBON NEUTRAL
We offset any carbon emission from this already low energy production process.

• Production uses approx. 30% renewable energy.

• Here for a good time, not a long time, these mailers will biodegrade in a home compost in 3-6 months and even quicker in a commercial composting facility.

• Safe for worms, worm farms and bokashi bins.

• Any remaining self-seal strips and labels (unless specified as compostable) should be removed before composting.

• CERTIFICATIONS
AS 5810 Home Compostable
OK Home Compost
Seedling AS 4736 Industrially Compostable

Diagram highlighting Better Packaging compostable poly mailer product lifecycle from the materials, how it's produced, it's usage and end of use disposal instructions

Customer Reviews

Based on 21 reviews
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K
Kirsty Campbell
comPOST Packs

We've been using BPCo's compostable satchels and labels for a few years now and the quality is so great! Such an easy company to work with for custom orders and we're so glad there is finally a better environmental alternative. Our customers love receiving their packages in BPCo satchels too. Keep up the fabulous work! xx

Thanks so much Kirsty, its such a pleasure to be able to make beautiful packaging for incredible brands like yours.

w
woof1
woof1

I absolutely LOVE these compost packs. Better Packaging truly makes you feel better, and they are just so beautiful! So light to touch and yet tough when filled with our products. I'm so happy we have made the switch. We use both the small and medium size and find they fit a lot more in than we expected!!
Molly @riverandcoau

h
hello39
hello39

Really happy I made the switch from Aus Post plastic satchels to these biodegradable satchels. The quality is great and my customers even message me to say how happy they are I'm using such a great product. Totally worth the small extra cost, I feel good using them and my customers are happy too! Emily @mummycouture

t
team
team

We ABSOLUTELY LOVE these ComPOST Packs! Our customers are all very conscious of their environmental footprint and being an ethical company ourselves, we're delighted to be able to package our products in these brilliant, sustainable packs. They're super durable and fit our purposes perfectly. We're very glad to have found you guys and even happier to be a Better Partner! Keep up the great work, guys! The Ethical Meats Team x

h
hinterlandmama
hinterlandmama

I TOTALLY LOVE that you're here in Oz and that you're helping make the world a better place.
Like, seriously.

Thanks so much!

All 3 sizes of satchel I bought are sturdy, smell lovely (that sweet smell!) and are being WELL received by my eco-loving customers.

YOU WILL MAKE A POSITIVE IMPACT

We believe in measurable impact, so we track every purchase you make with us and tally up your total impact in your‎ ‎Account dashboard. By purchasing this product, you will make a positive impact in these ways…

1 TREE PLANTED PER ORDER
IS 100% CARBON OFFSET
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