Have you experienced waking up to a bow or how the sheet is pulled off the mattress several times a day so that you have to put the sheet back every day, is it annoying for you? If so, bring this triangular sheet mattress holder with fastening straps so that you no longer have to worry about the sheet slipping. Attach these straps to the sheet and stretch the straps by adjusting the buckles that hold the sheet tight. It is very easy to use. ADJUSTABLE AND DURABLE CORNER BUCKLES: Premium elastic bands provide stable and stronger support for heavy-duty purposes. The sheet holder is adjustable, allowing you to find the tension you want and keep your sheets neat all day long, improving your sleeping experience, no more loose sheets at night. Integrated plastic collection system does not damage the fabric. Protection: Integrated plastic collection system does not damage the fabric. Professional adjustable design fits all types of sheets, including king size, queen size, hospital beds, air mattresses, water beds, futons, RVs and hidden beds. Innovation and versatility: Keep sheets taut all night, keep your bed always neat; never worry about messy or wrinkled sheets again Make your life easier: sheet clamps, taut sheet holders, sheet holder straps, sheet corner clamps, fastening straps, adjustable elastic fastening straps, sheet fasteners, sheet holders.