Loghot Pet Conditioning Mat for Dogs Cats Comfort Cooling Gel, Pet Kennel Bed Pad Cushion Sleeping House Supplies Material Type: Double thick cloth. Pet-conditioned double thick pad, in the open air-conditioning, pets are not easy to catch cold. Both sides are available, soft and comfortable, machine washable. Cute ,soft and comfortable. High quality material,it's good for pet's health. Small: 18.2x13x1.2 inches(46x33x3cm); Medium: 20.9x17x1.2 inches(53x43x3cm); Large: 26.8x20.9x1.2 inches(68x53x3cm); X-Large: 38.6x28.8x1.2 inches (98x73x3cm); Manual measurement error 0.79-1.2 inches(2-3cm) belong to the normal range.