Unique materials of this Self-warming Pet Mat heated cat bed absorb your pet's body heat, creating a warm and cozy spot for cat naps and dog snoozes during cold weather. It provides pet comfort and warmth without electricity, creating a cozy pet bed for any home. This cat warming pad is the perfect size (21" x 17") to place on a chair, bed, cat furniture, in an outdoor cat house, or take with you on the go. Perfect for inside dog and cat carriers on the way to the vet and for pet travel! Machine-washable warming pad for easy cleaning. Double-sided pet heating pad (non-electric) with soft material to flip for a different color on top. Great for cats and small dogs that need a little extra warmth. This cat heating pad helps warm pets without electricity and can add warmth to pet bedding. Self heating pad for pet owners, ideal for small breed dogs or cats and fits easily as carrier liner. Small pets stay cozy indoors or outdoors with this reversible blanket. Designed by K&H with 25+ years of pet product expertise. A great addition to cat supplies, kitten bed, and small dog bed essentials.