These sheet straps are easy to put on and will keep fitted sheets from sliding off from corners all night and keep your bed looking great at all . Never worry about messy or wrinkled sheets againAPPLY ALL These Bed Sheet Cover Clip is flexible whichwill work great for beds, odd shaped beds, foam beds, pillow top beds, sheets, air mattresses pads, comforters, blankets, even ironing board covers and more.DURABILITY and ADJUSTABLE The hottest corner sheet holders with wider elastic which allows tension. Adjustable sheet straps clips enable easier and quicker adjustment on strap length to fit all edge of sheet for heavy duty purpose. CLIPS DESIGN Two of the mattress pad clips, sturdy chrome metal clips and built-in plastic clenching system will not only grip your bed sheets firmly, also protects fabric from harm and no damage caused to your bed sheet.EASY TO USE Just attach the bed sheet keepers to your bed sheet by using the , then your sheet will look great all the time.Adjustable Elastic: more tension? Press button-pull cord. from 7inch to 14inch less tension? It is that simple. Press button- release cord. from 10inch to 22inchcolour:blackMaterial:Metal + nylon beltsize:36*2.5cmPackage Contents:4 * sheet clip sling strap clipOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.