1. 18 PIECES: 18 pcs in total, Bed sheet grips keep sheets in place and hold them tightly to the bed, suitable for all kinds of mattresses with raised edges, can meet your daily needs. 2. MULTI PURPOSE: Bed sheet are versatile, not only can be used as sheet , but also can be used as stamp , bookmark , windshield , which is convenient for your life. 3. FIRM FASTENING: Bed sheet clips are made of sturdy ABS material with excellent craftsmanship and a smoothly and comfortable surfaces that won't tear or fade easily. 4. TWO LEVELS CONTROL: Bed sheet fasteners clips are designed with two levels of openings to fit different thickness of sheets, adjustable switch makes installation easier and saves time. 5. PREVENT SLIPPING: Bed sheet clips keep sheets snug to prevent slipping and falling, lightweight and portable. Specification: Item Type: Bed Sheet Sheet Fasteners Clips Material: ABS Size: Approx. 4.3 x 2.3 x 2.3cm / 1.7 x 0.9 x 0.9in (0.1 to 0.2cm Error in Manual Measurement) Uses: Not Only Can Be Used as a Bed Sheet Clamp/Holder, But Also Can Be Used as a Sealing Clamp/Holder, Bookmark Clamp/Holder, Windproof Clamp/Holder, Clothes Clamp/Holder, Sealing Food Clamp/Holder, Cable Organizing Clamp/Holder and so On. Package List: 18 xBed Sheet Sheet Fasteners Clips Notice: 0.1 to 0.2cm Error in Manual Measurement)