[HELP YOUR PET STAY COOL Great for pets that are heat sensitive prone to overheating work in the heat after intense training sessions or running playing in the park at the beach camping or anything in-between COMFORT AND PERFORMANCE The Hydro Cooling Mat combines a waterbed cushion a FlexiFreeze Ice Sheet (88 ice cubes) and a thick layer of insulation to create a long-lasting cooling solution NATURAL COOLING Non-Toxic Veterinarian approved and contains no harmful chemicals or gels only pure water! ROBUST AND MODULAR Made with rip-stop materials for use indoors or outdoors. Each mat has snaps on three sides to connect multiple mats for larger dogs. Mat cover is machine washable Purchase CoolerDog Refill ice Sheet for Hydro Cooling Mat for extended cooling times.]