Includes 4 adjustable cuffs (fits 4 inch to 12 inch wrists), 4 bondage restraint straps secured to one connector strap that fits securely under your mattress. Bondage restraint strap quickly fits beneath any mattress with no hooks and adjusts to the size you desire. Easy setup on any mattress. Portable and great for a surprise getaway. Includes: 4 Wrist/Ankle cuffs, 4 -60 inch restraint straps, 1-60 inch connector strap. Made of polypropylene webbing, plastic hardware, nickel free metal hardware Velboa fabric and Velcro.