Self-heating pet bed: This mat can effectively keep your pet warm in cold weather. It is ideal for cats, rabbits, puppies, aging and arthritic pets. Five-layer thermal insulation design: Our self-heating pad is filled with 5-layer structure and 3-layer heating insulation material, which is better than those on the market. Safety Guarantee: No batteries or cables required, this self-heating pet blanket reflects and retains your pet's own heat, keeping them warm and comfortable. The mat is perfect for use on sofas, floors, dog beds, cat habitats, pet cages and outdoor cat houses. Multi-size cushions are easy to clean, machine washable and hand washable. Color: Grey, Brown, Dark Blue (optional) Size: S: Approx. 40 x 50cm / 15. 7 x 19. 6in M: Approx. 48 x 70cm / 19 x 27. 5in L: Approx. 58 x 88cm / 22. 8 x 34. 6inMaterial: First layer: Super soft fleece Second layer: Soft thermal insulation cotton Third layer: Warm and scratch-resistant cloth Fourth layer: Thermal insulation material Fifth layer: Wear-resistant non-slip Oxford cloth Upgrade: it uses upgraded Quiet aluminum foil to reduce noise. Suitable for: cats, dogs, rabbits and other pets, can be placed on the ground, kennels, sofas, cars, etc. Packing List: 1 x Heated Pet Mat