For extra warmth and comfort on cold days, spoil your four-legged friend with the Scruffs Thermal Box Bed. This self-heating bed is filled with very dense and durable foam rubber. Warm air pockets and a reflective foil layer insulate your pet's body heat. The super soft fleece cover keeps the air around the animal warm. Filled with 100% recycled green fibers, which provides unparalleled cushioning, resilience and insulation. Specially designed for pets with arthritis, young or sick animals and all animals that love warmth. Equipped with an anti-slip bottom which ensures that the bed cannot easily slide. The bed can be cleaned in the washing machine.