A double-layer cat litter mat is a heavy-duty, waterproof accessory made of soft EVA foam designed to capture and contain scattered litter grains as your pet exits the litter box.
 
Its primary function is to keep floors clean by trapping waste between two layers, allowing for easy disposal back into the litter box. 
 
 
Core Functionality and Design:
 
Dual-Layer Trap: The top layer features large honeycomb or mesh-like holes that dislodge litter from a cat's paws, allowing it to fall through to the second layer.
 
Containment: Unlike single-layer mats where litter remains on the surface and can be kicked around, the enclosed second layer acts as a catchment area to keep the mess securely inside.
 
Anti-Slip & Waterproof: The bottom layer is typically waterproof and non-slip, preventing urine or other liquids from leaking through to hardwood or tile floors while keeping the mat stable. 
 
 
Material and Comfort:
 
Soft EVA Foam: These mats are often made from high-quality, BPA-free EVA material, which is gentle on sensitive paws and durable enough to withstand scratching.
 
Pet-Friendly: Cats often find the soft, cushioned texture comfortable, sometimes even using it as a place to nap. 
 
 
Easy Maintenance and Cleaning:
 
Easy Disposal: Many designs include a side opening or pocket that allows you to easily pour the collected litter directly back into the box.
 
Simple Washing: The mat is washable and can be easily cleaned by shaking it off, vacuuming, or rinsing it under a sink or shower head with water and mild soap.
 
Quick Drying: Most EVA mats are designed to air-dry quickly after being rinsed, making them ready for use again in a short time. 
 
 
Common Sizing:
 
Double-layer litter mats are available in various sizes to fit different litter box setups: 
 
Small/Medium: 30 x 30 cm, 30 x 45 cm.
 
Large/Extra Large: 45 x 50 cm, 60 x 90 cm.