Biodegradable Dog Poop Bags in Australia: What "Compostable" Actually Means

Walk down the pet aisle and almost every poop bag now says "biodegradable" or "eco-friendly" somewhere on the packaging. Most of that is marketing language with no certification behind it — a plain plastic bag technically "biodegrades" too, it just takes several hundred years. If you actually want a bag that breaks down in a realistic timeframe, the label needs to say more than "biodegradable."

The two standards that actually mean something in Australia

• AS 4736 — certifies a product as commercially compostable, meaning it breaks down properly in the high-heat, high-microbial conditions of an industrial composting facility, not in a home compost bin or general landfill.
• AS 5810 — the stricter standard, certifying a product as home compostable, meaning it will genuinely break down in a normal backyard compost system without industrial conditions.

If a bag only says "biodegradable" with no AS number attached, there's no independent verification behind that claim — the term itself isn't regulated the way the certified standards are. If a bag is certified to either standard, the number will usually be printed directly on the packaging alongside the certification logo.

Why this matters beyond the packaging claim

Uncertified "biodegradable" bags that end up in landfill behave almost identically to standard plastic — landfill is compacted and starved of the oxygen and microbial activity that breaks materials down, so even genuinely compostable material can take decades there instead of the weeks or months it would take in an actual compost system. The certification only delivers on its promise if the bag ends up somewhere it can actually compost, which for most Australian households means either a home compost/worm farm setup (AS 5810 bags) or a green waste bin that goes to commercial composting, if your council accepts it (AS 4736 or AS 5810 bags both usually qualify — check your local council's guidelines, since acceptance varies by area).

What to actually check before you buy

• Look for the AS 4736 or AS 5810 number and logo printed on the packaging, not just the word "biodegradable" or "eco" on its own.
• Check your council's green waste guidelines — some accept certified compostable pet waste bags in kerbside green waste, others don't, and putting one in the wrong bin doesn't help either way.
• If you compost at home, only AS 5810-certified bags are verified to break down in a standard backyard setup — AS 4736 bags need commercial composting conditions.
• Bag thickness and leak-proof seams still matter as much as the compostability claim — a certified bag that tears mid-use isn't actually more useful than a standard one.

Our poop bag range

The Biodegradable Lavender-Scented Dog Poop Bags with Dispenser pair certified compostable material with a scent that actually helps on bin day, and come with their own dispenser for lead attachment. If leak-proof strength is your main priority on longer or messier walks, the Leak-Proof Dog Poop Bags are built for durability first. For households that go through bags quickly, the Dog Poop Bags Refill Rolls (15 bags per roll) are the most economical way to keep a dispenser topped up.

FAQ

Can I put dog poop in my home compost?

Dog waste itself (as opposed to the bag) generally shouldn't go into a compost system you'll use for edible garden beds, due to pathogen risk — a dedicated pet-waste compost system, buried disposal, or your general/green waste bin (bag and all, if certified) are the more common approaches. Check your local council's specific guidance if you're unsure.

Is compostable the same as recyclable?

No — compostable bags should never go in kerbside recycling, since they'll contaminate the recycling stream. They belong in general waste, or green waste/compost if your council accepts certified compostable material there.

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