Sheet Closures: Made of high quality nylon metal clips, highly elastic fit for most fitted sheets and flat sheets. These sheet bands hold your sheets without re-adjusting them, and keep them in place all the time. And never damage your sheets. HIGH PERFORMANCE CLIPS The wide elastic band provides stable and stronger support for heavy duty applications. The metal clips hold your sheet metal firmly in place. Highly elastic sheet tensioners provide stable and strong hold for your sheets. The blade holder is adjustable so you can find the tension you want and keep your blades clean all day long. Easy to use. Several simple steps to install and hold your sheets so that your fitted sheets do not slip from the corners. Product Size: 4 Piece Straight-White Bed sheets are the perfect choice. -Easy to put on. -Fold the leaves tightly. -Keep your sheets clean. -Dont worry about messy crumpled sheets. Technical data: Material: NylonColor: White Width: 2,5 cm. Length: adjustable, 100 cm h180 cm. Weight: 185 g; Package contents: 4 x sheets