BED SHEET FASTENERS: Made of premium-quality nylon + metal clips, high-elastic fit for most fitted sheets and flat sheets.These sheet suspenders holds your sheets without readjusting and keep them stay in place all the time. And never damage your sheeets. DURABLE SHEET CLIPS: Wider elastic provides stable and stronger grip for heavy duty purpose. The metal clips can hold your sheet tightly. High-elastic Sheet suspenders provide stable and strong grip for your sheets. ADJUSTABLE CORNER HOLDER: The sheet holder is adjustable ,which allows you to find the desired tension and keep your sheets tidy all the day. EASY TO OPERATE: Several simple steps to install and can hold your sheets tightly, keep your fitted sheets from sliding off the corners.