STRONGER AND MORE TIGHTLY: the Enhanced Built-In Nylon "Teeth" and Nickel Plated Clamps to Holds the Sheets Firmly in Place DURABLE AND ADJUSTABLE: The bed sheet fastener straps are made of sturdy nickel plated metal clips and heavy duty elastic bungee cords that will grip your bed sheets firmly all the time. The enhanced clamps design and the built-in plastic clenching system protects the fabric from being damaged The thicker and wider elastic bands ensure a stronger and more durable holding. MULTIPURPOSE: These Versatile Bed Sheet Grippers Work with All Types of Bedding; High Quality and Eco-friendly Elastic Nylon Straps for Simple Bedside Installation. no only for bed sheets but also for ironing board covers, tablecloth covers, grill covers, car/ boat seat covers and more. Package Includes: 1 pcs x bed sheet fastener strap 4 pcs x bed sheet fastener strap The bed sheet fastener strap is a genius sheet /cover fastening system which makes your life Easier and more Enjoyable. These are Hight Quality sheet suspenders made of Premium Elastic Bands and Clips. They are thoughtfully designed, finely built and rigorously tested to be enjoyed for years to come. Specifications: Color: black/white/purple/blue Weight:0.033kg/pc Size:10*3 cm Material: Elastic Nylon Band + Nickel Plated Clamps + Plastic Bungee