Features 1.Double Sided: Self warming pet pad is made of waterproof pure cotton fabric on the front and soft lambswool on the back, which is soft and comfortable, skin friendly and breathable. 2.Heat Preservation: The self warming pet pad is made of heat preservation aluminum film, which can maintain the temperature and provide warmth for pets in the cold season. 3.Keep Healthy: Self warming pet pad is suitable for pets to rest, effectively improving pet joint pain and enhancing pet joint mobility and strength. 4.Safe and Non Irritating: All materials of self warming crate pad are safe, non irritating fibers, and safe for pets. 5.Easy to Clean: Self heating cat dog mat can be machine washed or hand washed, durable, no deformation after repeated cleaning. Specification Item Type: Self Warming Pet Pad Material: Lambswool, Aluminum Film Weight: Approx. 199g/7.0oz Size: Approx. 55x43cm / 21.7x16.9in Color: Coloured Plaid Package List 1 x Self Warming Pet Pad NotePlease allow some error in manual measurement.