Dog cooling mat made of durable polyester. A hot summer can be quite challenging for your pets. This self-cooling mat for dogs and cats provides relief from the heat. Activated by body contact, the gel inside the mat cools your furry friend without the need for additional electricity or water. After use, simply leave the cooling mat out for a while until the cooling effect is reactivated. No refrigeration is required for storage. Note: In high temperatures, you can additionally place the mat in the refrigerator for about an hour. The mat should not be placed in the freezer or deep freeze.