Length: Adjustable from 65 cm, provides great flexibility, meets different needs in families. Protection: The closure is constructed of system plastic, does not damage the fabric, metal buckles for secure grip. Sturdy and durable: The fasteners are made of sturdy metal clips and sturdy elastic tensioners, which keep your sheets taut and won't break easily, the fasteners last a long time. < p>Multifunction: Adjustable professional design to fit all types of sheets, hospital beds, air mattresses, adjustable beds, water mattresses, futons, caravans and Hide-a beds. < Easy to tie: The sheet ties are very easy to use thanks to their humane design. You can easily put it on your bad sheets in seconds without tools and check the corners in place. Scope of delivery: Fixed sheet clips*8 Warm tips: Dear buyers, due to lighting effect, screen brightness, manual measurement, etc., there may be some slight differences in color and size between the image and the actual product. I really hope you understand! Cross!