The Frisky Restraint System is portable and easily restrains with H shaped straps which fit underneath any size bed and reach around to securely cuff ankles and wrists, restricting movement. The faux fur finish cuffs are soft and comfortable, yet close securely with heavy duty Velcro. Adjustable buckles allow you to tighten your partner down, putting your partner in compromising positions as you tease and please them until you decide they have earned their release Measurements: Four restraint straps and connector strap adjust up to approx. 48 inches in length, cuffs adjustable up to approx. 14 inches around. Material: Nylon, fabric, plastic. Color: Black. Note: Fits most standard size mattresses