Strap in to these fully adjustable soft wrist and ankle cuffs with lace detailing for some steamy fun. Four sturdy, adjustable tethers with O-rings and swivel clasp design. May be used under any bed or as individual tethers. Extension tether included to accommodate oversized beds. Polyester (fabric) PP (straps) Nickel-Free Iron (rings) Nickel-Free Alloy (clasps) POM (buckles).