Exervo Water Aerobics and Exercise Foam Pool Dumbbells Weights Combo Set - Light and Medium Resistance Pairs - Free Mesh Dry - 14 Page Instructional Booklet Included Premium, cross-linked AquaComfort microcellular EVA foam Water resistant, UV resistant and bacteria resistant EVA foam Contents: 1 pair each size Light and Medium resistance pool dumbbells This set offers light to moderate resistance. Also available in Heavy, Maximum & SuperMax resistance levels Free 14 page instructional starter guide plus mesh storage dry bag