This crate mat is the perfect size for the "Amazon Basics Pet Carrier Double Door S Size." Recommended for those looking for a mat that fits perfectly and is easy to lay down. It's a crate-specific mat, so you don't have to worry about what to put in it. Crate mat size: 42 x 26cm; Compatible product: Amazon Basics Pet Carrier Double Door S Size 48.26 x 32 x 25.4cm (L x W x H); Can be used with any carrier of a similar size. The surface uses high-quality fabric that is supple, soft to the touch, and absorbent. It quickly absorbs moisture, while the back is waterproof! Keeps the inside of the crate clean at all times. The back is non-slip. By laying down the mat, it protects your pet's legs and lower back from the slippery crate interior. It won't slip even if your pet moves around in the crate! s30-37-21