Do PLA-backed pee pads leak more than plastic ones?

No. The PLA layer's waterproofing matches its plastic counterpart in daily use, and the six-layer absorbent core above it does the real work of locking liquid away.

How long do regular plastic pee pads take to break down?

Polyethylene-backed pads do not meaningfully biodegrade, they persist in landfills for centuries. PLA-backed pads showed 38% biodegradation in just 75 days of ASTM D5511 testing.

SustainabilityJuly 14, 20266 min read

Plant-Based PLA vs. Plastic Pee Pads: What's Actually Under Your Dog

The backing layer is the difference between a pad that persists for centuries and one designed to break down. Here's the materials story.

By Nadine Oliveri

Plant-Based PLA vs. Plastic Pee Pads: What's Actually Under Your Dog

Flip over any pee pad and you'll find its most important layer: the waterproof backing. It's what stands between a full bladder and your floor, and it's also the layer that determines what happens to that pad for the next few centuries. Let's talk materials.

The conventional answer: polyethylene film

Nearly all standard pee pads are backed with polyethylene, the same petroleum-derived plastic as shopping bags. It's cheap and waterproof, and that's where the good news ends. Polyethylene doesn't meaningfully biodegrade. Every conventional pad ever used, multiplied by millions of dogs going through dozens of pads a month, is still sitting in a landfill, and will be long after all of us are gone.

The plant-based alternative: PLA

PLA (polylactic acid) is a polymer made from plant starches instead of petroleum. It performs the same waterproofing job while starting from renewable feedstocks rather than crude oil, and, critically, it's a material microorganisms can actually begin to break down.

Our Pee Pads use a plant-based PLA backing as part of a six-layer construction. In independent ASTM D5511 testing (landfill-like anaerobic conditions, the honest scenario for a used pad), they showed 38% biodegradation in 75 days. Conventional polyethylene backing shows essentially none. Here's a full explainer on that testing.

Pee Pads with plant-based PLA backing resting on soil

Does plant-based mean weaker?

It's the fair question: an eco pad that leaks is just compostable floor damage. It doesn't have to be a trade-off. The waterproofing performance of the PLA layer matches its plastic counterpart in daily use, and the layers above it do the absorbing: a six-layer core that pulls liquid in fast and locks it away, edge to edge, because dogs instinctively go near the edge and a pad with a dead plastic border fails exactly there.

The six-layer Pee Pad held flat by the FloorMate, absorbing edge to edge

The system view

Materials are half the sustainability story, usage is the other half. A pad that absorbs fully means no doubling up, and pairing pads with a durable FloorMate, food-grade silicone built to last years, means zero disposable trays in the waste stream.

Better materials, fewer of them, in a system built to last. That's the whole philosophy. See it here.

Frequently asked questions

Polylactic acid, a polymer made from plant starches instead of petroleum. It performs the same waterproofing job as plastic film while starting from renewable feedstocks, and microorganisms can actually begin to break it down.