The Kerbl Theo Self-Heating Mattress is a self-warming thermal pad, ideal for providing comfort and warmth to your dog. Measuring 75 x 50 x 3 cm, this mattress is made from 100% Polyester, ensuring durability and a soft fleece surface. Its self-heating technology reflects the animal's body heat, insulating them from the cold floor. It features a non-slip base for added safety and a removable cover with a zip, washable at 30 °C.