Turn any bed into a bondage playground!
The original (yes, they invented it) Under The Bed Restraint System® is easy to set up, in fact, sets up in minutes. 4 adjustable cuffs (fits 4 inch to 12 inch wrists), four restraint straps secured to one connector strap that fits securely under your mattress. The restraint strap quickly fits beneath any mattress with no hooks and adjusts to the size you desire.

Features: 
Easy set-up on and fits any size mattress.
Portable and great for a surprise getaway.
4 adjustable cuffs (fits 4-12" wrists)
4 four restraint straps secured to one connector strap that fits securely under your mattress
Limited Lifetime Warranty

In The Box: 4 wrist/ankle cuffs 1 connector strap = 60 inches (152cm) 4 straps = 60 inches (152cm)
Materials: 74% polypropylene, 10% polyester, 8% nickel free metal, 5% hook and loop, 3% ABS plastic