Open up the doors to exciting bondage play with this beginner friendly restraint kit. Designed to go under any traditional mattress, the H-shaped restraint system allows you to strap down the wrists and ankles of your lover, leaving them completely at your mercy. The set is lightweight yet sturdy, perfect for those who want to try out exciting bondage scenarios but are not really sure where to begin. The soft fabric cuffs are strong yet light, and designed for comfort. They close easily with Velcro, and each strap is adjustable so that it can be tightened down or loosened, depending on your preference. 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