Description This item is a set of 4pcs simple and practical sheet fasteners, which are made of hard plastic and elastic nylon. These handy sheet fasteners are just what you need to keep your sheets neat and secure in place. Lift mattress and fasten one clip to of sheet about 10-12 inches from corner of mattress. Great for bed sheet, satin sheet, mattress covers, blankets, etc Features - Color: White. - Material: Hard plastic and elastic nylon. - Length: 22.7cm. - These handy sheet fasteners are just what you need to keep your sheets neat and secure in place. - Lift mattress and fasten one clip to of sheet about 10-12 inches from corner of mattress. - Great for bed sheet, satin sheet, mattress covers, blankets, etcPackage list4 x Garter Style Elastic Bed Sheet Grippers Garter Fastener Straps with Rubber Button Hook and Clasp (White)