Squat Sponge I Workout Exercise Belt Contoured Design for Abdominal and Back Support Super Light-Weight 4inch 6mm thickness Neoprene Foam Body Allows for Mobility Velcro Support Strap Keeps the Belt Tight Roller Buckle Makes Tightening Belt Easy Two zippered 5  x 3  x  compartments holds I-phones, keys, money, inhaler, and other essentials