Many of us have had cause to be disappointed with the standard divan bed – there’s nothing to tie your partner to! Now, that problem has been ingeniously solved with these under-the-bed restrains!Easily adjustable for single, double or king size, just slip these under the mattress and your partner’s own weight will hold them still for your pleasure! Material : fabric/webbing Power : None Required Size : adjustable Includes 4 cuffs and restraint straps Portable and travel-sized Sets up in seconds