Color: Grey Size: Medium Unbelievable Warmth: Filled with 3 layers of self-warming material, our self heating cat bed will effectively keep your pets warm in cold days. Ideal for kittens, cats, puppies, small dogs, etc. Noiseless Material: No more complaining about the crinkly noise! Our self warming cat mat is upgraded with the complete noiseless heat-reflecting Mylar film. Perfect for both indoor and outdoor pets to nap the day away. Versatile Comfort: With soft and plush reversible sides to suit any style, this self heated cat bed offers two cozy sleeping surfaces for your pet to enjoy. Perfect for senior cats, recovering pets, those with arthritis, or any furry friend who seeks extra warmth. Generous Sizing: A large size of 27.5" x 18.5" makes this washable pet bed suitable for most cats and small dogs. Great to use on chair, sofa, floor, pet beds, cat carrier and outdoor cat house.