Description Sheet Clasps: Made of high quality nylon + metal clasps, high elastic fit for most fitted sheet and flat sheet. These bed sheet ties hold your sheets without readjusting them and keep them in place all the time. And never damage your sheets. HEAVY-DUTY CLIPS - Wide elastic provides stable and stronger grip for heavy-duty purposes. The metal clips hold your sheet firmly in place. Highly elastic bed sheet tensioners provide stable and strong support for your sheets. ADJUSTABLE CORNER HOLDER - The sheet holder is adjustable so you can find the tension you want and keep your sheets clean all day. EASY HOW TO USE - Several simple steps to install and hold your sheets in place to keep your fitted sheets from slipping off the corners. Product Description Size: 4 Pack Straight-White Flat sheets are the perfect choice. - Easy to put on. - Fold the sheets tightly. - Keep your linens clean. - No worries about messy/crumpled sheets. Specifications : Material: Nylon + metal clips Color: White Width: 2.5 cm. Length: adjustable, 100 cm - 180 cm. Weight: 185 G; Package content: 4 x bed sheets