What are the advantages of our sheet holders keep sheets firm & tight? 1. Highquality materials: bed sheet holder straps are made of highly elastic nylon and durable metal clips. The rustproof clips use a plastic clamping system to protect your fabric while ensuring secure tension on adjustable beds. 2. Safe and Durable: The triangular design ensures that your sheets are firmly fixed in place, and the adjustable length is suitable for all bed sizes. 3. Customizable Fit: Adjustable sheet holders allow you to set the perfect tension, which ensures that your sheets remain comfortable and fitted. 4. Simple Installation: Easily install in just three steps: open the clip, insert the sheet corners, and press to secure. The adjustable length keeps the sheets tight and wrinklefree. 5. Wide range of uses: suitable for bed sheets and flat sheets, suitable for various types of sheets. Also very suitable for tablecloths, grill covers, car seats, boat seats, motorcycle seats, scooter seats, sofa covers and chair covers. Features: Material: nylon, metal Color: black, white Size: as shown in the picture Package includes: Black Stay in Place Heavy Duty Adjustable Fitted Bed Sheet Straps x 4 White Wrinkle Free Bedding Sheets Fasteners x 4 Aftersales guarantee: If you have any questions, please contact us in time, we will answer your questions as soon as possible. Warm Tips: The size is measured manually, please allow slight errors.