Place the cooling mat in a suitable place where your dog likes to lie. It will immediately start absorbing heat and keep your dog comfortably cool for two to five hours.Gel is very effective in cooling because it absorbs heat constantly for several hours. Can be used in the car, cage, bed or anywhere your dog needs cooling.For faster cooling: put it in the refrigerator for 30-60 minutes before use. After use: leave the mat alone and wait until it cools down or put the mat in cold water.Facts about Ozami Blue Cooling Pad:Easy to use cooling mat that stays cold for a long time!Made of water-resistant polyester and contains gel.Wipe dry with a damp cloth, with or without soap.Avoid direct sunlight.Keep the mat away from sharp objects.Not machine washable.