Features: 1. Material: elastic strap, high quality plastic 2. Color: White 3. Length: 8.94 inch 4. Quantity: 4 pcs 5. Lift mattress and fasten one clip to edge of sheet about 10-12 inches from corner of mattress 6. Repeat above for all 4 corners Package Includes: 4 x Sheet Gripper Elastic Garter Fastener Strap