PREMIUM QUALITY: Crafted with elastic bungee cords and metal clips, these bed sheet fasteners provide stronger and sturdier grip for heavy duty purpose, no worries over the clips falling apart on useADJUSTABLE LENGTH: The greatly adjustable fasteners allows desired tension and can be adjusted from 40 inch to 110 inch to fit all edge of sheets; the middle plastic clenching can keep the fabric from d; designed for fitted sheets (Twin, Twin XL, Full, Full XL, Queen, King and California King), sofa cushion covers, table cloth etcFUNCTIONAL DESIGN: Premium elastic bands provides stable and stronger grip for heavy duty purpose. The sheet holder is adjustable, which allows you to find the desired tension and keep your sheets tidy all the day, enhance your sleeping experience, no more loose sheets in the middle of the night! Built-in plastic clenching system does not harm fabricEASY TO APPLY: This versatile sheet fastener is ideal for all types of bed sheets, mattresses, tablecloths, ironing board covers and sofa covers.It will always stay in the right place to make your life easie