... stocks 1. Patented material as fiiling material in the pet mat inner material: phase change material phase change material is applied ... for over 4 hours.2. Pet dog or Pet cat lie on the cool mat to cool itself phase change material in ... in China. Our main production is dog clothes,dog collar,dog carriers, dog house, dog bed, dog harness, dog leash, dog shoes, dog cushion etc. Customer and the quality ...