Perfect for beginners and seasoned enthusiasts alike the kit comes complete with an adjustable bondage waist belt adjustable under-mattress restraint strap ankle cuffs wrist cuffs 4 tethers and FREE satin love mask. The tethers cuffs and mattress strap all interconnect using heavy duty metal-clips and high-strength o-rings ensuring your lover will not escape any time soon. The waist belt easily adjusts to fit up to size 40 inches and connects using sturdy plastic clips and the under-mattress restrain strap adjusts to fit up to a king-size mattress. The belt tethers and straps are all made from durable nylon and they are made to play hard.