Exervo AquaComfort Water Aerobics Exercise Aquatic Resistance Foam Ankle Cuffs, Pair Premium EVA AquaComfort (tm) foam sealed with Aquatecx (tm) surface layer locks out water Water resistant, UV resistant and bacteria resistant EVA foam Pliable, comfortable, easy foam flex design for comfortable ankle fit Adjustable velcro strap improved to fit even the smallest ankles. One size fits all adults Designed for use on ankles or can be used on arms as well. Dimensions: 12"L X 5"W x 1.5"H