Expand spreader bar and cuffs set is made from comfortable neoprene and Velcro cuffs. Cuffs are attached to a spreader bar. Soft neoprene cuffs are attached to a rigid metal bar to keep your partner in place. Cuffs are a one size fits most. Squatting or standing are two favorite sex positions for using this restraint. Metal D-ring on each end make snapping cuffs in place a quick operation. Velcro closures make this an easy on easy off positional tool. Expand spreader bar and cuffs set from sport sheets. Adjusts from 29 - 37.