These SPRI Ankle Weights are made of a durable nylon mesh fabric and feature a secure Velcro hook-and-loop closure for a customized fit. Adding this extra weight any workout routine to help tone and strengthen the lower body. Available in a 5lb (pair of 2.5lb weights) 10lb (pair of 5lb weights) or 20 lb (pair of 10lb weights) set.SPRI Adjustable Ankle Weights, 10-Pound Pair, Each Weight 5-Pounds: Pair includes two 5-Pound ankle weights, total 10-PoundsDurable nylon mesh fabricSecure velcro, hook-and-loop closure for a more customized fitAdded weight helps tone and strengthen the lower bodyThese resistance weights are a perfect addition to any workout routineOne size fits most