Function:The bed sheet attachment is designed to prevent your sheet from falling off and make your life easier and more enjoyable! Premium Quality: Made of nylon elastic bands and strong and stable metal clips. Easy to Use: The plastic clamp will prevent the fabric from being damaged, easy to use with most beddings. Convenient Shape: Triangle shape can hold your sheets tightly, triple protection for a wonderful night. Specifications: Color: Black Material: Elastic band nylon + metal clips Design: Triangle Weight: 110 grams Size: 17 x 2 cm Adjustable flexibility: 25 cm to 45 cm Quantity: 4 < br/> Installation steps: 1. Attach the metal clips of a strap to one corner of sheets; 2. Loosen the strap properly and attach the other end to the sheets; 3. Adjust the overall length through the buckle as needed; 4. Repeat the above actions on the other strap. Packages Included: 4 * Bed Sheet Straps