The product is made of latest liquid gel, and offers immediate pleasant cool without the need of water addition or freezing. The design of rectangle sections supported by the precise hot-pressing technology locks the positions of the gel, and realizes uniform heat dissipation. The surface of PVC fabric is resistant to both wear and scratching. Since the whole product can be washed with water, you can keep it clean at any moment. It is a good companion to relieve summer heat for your pet.