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: With no batteries or cables, this self-heating pet blanket reflects and retains your pet"s own heat, keeping them warm and comfortable. This mat is perfect for use in 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: gray, brown, dark blue (optional) Size:S: Approx. 40 x 50 cm / 15.7 x 19.6 inchesM: Approx. 48 x 70 cm / 19 x 27.5 inchesL: Approx. 58 x 88 cm / 22.8 x 34.6 inchesXL: Approx. 115 x 72 cm / 45.27 x 28.34 inches Material:The first layer: super soft fleeceSecond layer: soft thermal insulation cottonThe third layer: warm and patiently grasp the feltThe fourth layer: thermal insulation materialFifth layer: wear-resistant non-slip oxford cloth Upgrade: Adopt upgraded mute aluminum foil to reduce noise. Applicable to: cats, dogs, rabbits and other pets, can be placed on the ground, pet kennels, sofas, cars, etc. Packing List:1 x Heated Pet Mat About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.