The Kold Vest was designed to keep the person wearing the McGruff costume Kool. The ice mats inserts can be used for 2 hours without refreezing. The shoulder and body straps adjust to fit size requirements. It is hand washable, non-toxic, and portable. The Kold Vest will not burn the skin or cause frostbite. It stays frozen up to 24 hours in an insulated container. A safe and water free way to cool down from heat distress.