⦿ MULTIPURPOSE - our bed sheet grippers work with all types of bedding. Our bed sheet fasteners fit for all kinds of sheets & covers (sofas, chair car seats, and etc) .⦿ HIGH-QUALITY - our sheet holders for corners are made of elastic nylon straps with metal nickel plated clips and a built-in plastic clenching system that protects the fabric from harm.⦿ UNIQUE DESIGN - combined with the principle of relative stability, the unique triangle design keeps your sheets in good order and offers you a better sleeping environment.⦿ EASY TO INSTALL - open the clips; put the bed sheet into clips; press the clip with the sheet. The sheet holders for corners are compatible with all size sheets from small to king.