Made of durable neoprene material with sturdy plastic barrels to hang behind the door these over the door Entryway Restraints will keep them pleasantly compliant. The cuffs fasten securely with Velcro enclosures and feature removable clasps so you can play with or without the door restraints. The end barrels can be placed at the top of a door or the bottom or anywhere that can secure them. The possibilities are endless.