Adjustable velcro tape wrist cuffs, and neck restraint and connective strap are also fully adjustable by buckle, let you find comfortable and suitable wrist neck size Easy and comfortable to wear. The item Made of Nylon with high stretch and pull tolerance ，soft, smooth and comfortable and won\'t cause damage to your skin. 100% brand new Material：nylon color：black Gender:Unisex Connective Strap Adjustable package include：1 *handcuffs plus black pouch