These 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 Cover Clip is flexible whichwill work great for various beds, odd shaped beds, foam beds, pillow top beds, sheets, mattresses pads, comforters, blankets, even ironing board covers and more.DURABILITY and ADJUSTABLE The hottest corner holders with wider elastic which allows desired tension. Adjustable straps clips enable easier and quicker adjustment on strap length to fit all edge of for heavy duty purpose.SPECIAL CLIPS DESIGN Two stages of the mattress pad clips, sturdy chrome metal clips and -in plastic clenching system will not only grip your bed sheets firmly, but also protects fabric from harm and no damage caused to your bed .EASY TO Just attach the bed keepers to your bed by using the , then your will look great all the time.Adjustable Elastic:Want more tension? Press button-pull cord. from 7inch to approx 14inch Want less tension? It is simple. Press button- release cord. from 10inch to approx 22inchcolour:blackMaterial:Metal + nylon beltsize:36*2.5cmPackage Contents:4 * clip sling strap clipOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.