The K&H Pet Products 3163 Self-Warming Lounge Sleeper Pet Bed is a plush and durable self-warming pet bed that is perfect for any small or medium sized pet. This bed features a mylar construction that is resistant to mold and decay, and a polyester fabric that is machine washable. The bed has a self-locking design that makes it easy to set up and store, and a weight capacity of up to 120 lbs. The bed is also equipped with a safety feature that prevents accidents.