Keep Sheets in Place: Our sheet fasteners ensure your sheets stay tight, comfortable, and in place Adjustable:Bed Sheet Holders has adjustable strap design allows you to customize the length to fit various sizes of duvets, ranging from approximately 27.56inch-37.40inch Versatile Fit: These corner holders are suitable for all types and sizes of sheets, The single fixing clips ensure that your stays securely in place Easy to Use: Press the non slip side under the mattress, with the opening facing upwards, and tuck the corners of the quilt in. After fixing both sides, just pull the quilt cover over it Great Gift: Sheet Holder Straps make an ideal gift for family and friends who value a good rest Specification: Material: ABS Size Chart: Fixed plate:20cmx13.8cm/7.87inchx5.43inch adjustable length:70cm-95cm/27.56inch-37.40inch width:3cm/1.18inch Package Includes: 2Bed Sheet Holders Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.