The Frisky Bedroom Restraint Kit is portable and easily restrains with H-shaped straps that fit underneath any size bed and reach around to securely cuff ankles and wrists and restrict movement. The sturdy Neoprene cuffs are soft and comfortable. yet close securely with heavy duty Velcro. Swivel clips attach the cuffs to straps underneath the mattress. Enjoy putting your partner in compromising positions as you tease and please them until you decide they are released! Size Four restraint straps and connector strap adjust up to approx. 48 in length. Cuffs adjustable up to approx. 16 around