333 World Bed Suspender Gripper/Strap/Holder/Fastener for Your Bed. Triangle Model. (Black). Patent Pending. Quantity : Set of 4 per package with High Heavy Duty Elastic. Quality and Strong Gripper. Hold Sheets Tightly.Quality : High Elastic Quality. Hold Sheets Tightly. Keep those fitted sheets from sliding off at the corners. Fits with fitted sheet, flat sheet and mattress pads. High elastic quality provides stable and stronger grip for heavy duty purpose. Designs : PATENT PENDING. With 3 Pull Side of Each Corner. Adjustable and Resize as Needed. Snap them to the sheet corners before putting the sheet on the bed. Purpose : The Bedding Holder Clip are fitted for any Bed Sheet both King Size, Queen Size, Hospital Beds, Inflatable Beds, Adjustable Beds, Waterbeds, Futons, RVs, and Hide-a Beds. Mattress Gripper. For multi purpose of Sheet Holders, Sheet Fasteners, Sheet Grippers, Sheet Suspenders. PATENT PENDING : Only Sister Selected is the ORIGINAL & OFFICIAL MANUFACTURER SELLER for Bed Suspender.