XIANQI These sheet suspenders holds your sheets without readjusting and keep them stay in place. Let's end the battle between you and your sheets and be a steady sleeper. Perfect Bed Sheet Fastener - No Trouble For Your Bed Sheet: No more constantly pulling and tucking to straighten out your sheets every night No more remaking the bed every morning Wide Application - Not Just For Sheets: These corner grippers are perfect for Futon, split mattress bed, air mattress, big memory foam mattress, pillow top mattress And also can be used on tablecloth covers, grill covers, car/boat/motorcycle/scooter seat covers, couch/chair seat covers, ironing board covers, even nipple-pinching leashes. Durable Sheet Clip - Easy To Apply And Remove: Wider elastic provides stable and stronger grip for heavy duty purpose. Built-in plastic clenching system protects fabric from harm. Pretty easy to attach and keeps corners in place and no more fighting with the sheets at night. Main Material: Metal + Elastic Rubber Band; Main Color: Black，White; Bandwidth: 2.5cm / 0.98"; Adjustable Size: Original Adjustable 20cm Stretch to Approx 50cm For Each Way(3 Ways); Package Include: 8 x Bed Sheet Fasteners.（4*Black，4*White)