Miracool Mat for Dogs - Keeps your pet cool for hours The MiraCool Doggie Mat is designed with channels that hold MiraCool water activated Cooling Crystals The Crystalswork to cool dog's belly and body on contact. Just soak the mat in cool tap water (in a sink or tub), allowing the MiraCool crystals to absorb water and fill the mat's channels When hydrated, the pad provides a cool, cushiony soft resting spot on floor, patio or other shady place. To maintain mat in excellent condition, hang in open air to allow air to dry when not in use.