Your pets can enjoy a warm and cozy bed during cold weather. Kane Heat Mats are waterproof and can be used safely indoors or out, in kennels, whelping boxes, dog houses, garages or wherever your pet sleeps. Kane Heat Mats are made of durable, high density polyethylene and are manufactured to UL and CUL standards. Kane Heat Mats are easy to install and easy to clean. Designed with an insulated bottom and Rheostat, Kane pet heat mats are much more energy efficient than other heating devices to provide uniform, comfortable heat. Optional covers made of quilted material are available as well, providing additional 'creature' comfort for your pet.10 foot long cord encased in 20 inch long steel spring for added protection against chewing and damage; 110 Volt double insulatedRheostat maintains the set temperature you chooseSize: 18" x 28" x 2"