High quality: These bed sheet fasteners are made of elastic bungee cords and metal clips, providing stronger and stronger grip for heavy-duty applications without worrying about the clips falling apart during useAdjustable length: The fasteners that can be significantly adjusted allow the required tension to be adjusted from 40 inches to 110 inches to accommodate all edges of the sheet; The plastic grip in the middle can prevent fabric damage; Designed specifically for fitted sheets (double, double XL, full, full XL, king, king, and California king), sofa cushions, tablecloths, and moreFunctional design: High quality elastic bands provide stable and stronger grip for heavy-duty applications. The bedsheet holder is adjustable, allowing you to find the tension you need and keep your sheets clean all day, enhancing your sleep experience and preventing more loose sheets in the middle of the night! The built-in plastic clamping system will not damage the fabricEasy to use: This multifunctional sheet fastener is perfect for all types of sheets, mattresses, tablecloths, ironing board covers, and sofa covers. It will always be in the right place, making your life easier