1.Attach the metal clips of a strap to one corner of the sheets. 2.Relax the strap properly and secure the other end to the sheets. 3.Adjust the overall length through the loop as needed. 4.Repeat the above actions on the other strap.Specifications:Color:WhiteLength:80-260cm(31"-102")Item Weight:110gMaterialElastic nylon fabric belt and metal clips A bed sheet fastener is designed to prevent your sheet from falling off and make your life easier and more enjoyable! √ Premium Quality: Made with durable metal fasteners and white nylon elastic, does not harm the fabric, which will befirmly your bed sheets and will not break easily, the fasteners will last a long time.√ Wide Uses: Professional adjustable design to fit any type of sheets, adjustable beds, reclining beds, baby cribs, sofa, table, couch.√ ADJUSTABLE ELASTIC STRAPS: Wider elastics provide a stable, stronger grip for tough jobs;Easy to put on and keeps corners in place!System for securing perfect sheets and mattress covers.√ Built-in plastic tensioner system to protect the fabric.Installation procedure