These mattress fixing clips are for preventing mattress movement. Suitable for different bed types, they provide a firm grip that keeps your mattress in place. The no-drill installation makes them convenient and easy to use, ensuring that your mattress stays put without any hassle. Features -Color:Black -Material:Iron -Size:14.00X11.70X10.00cm/5.50X4.60X3.93in -Prevent mattress movement: keeps your mattress from sliding, ensuring a stable and secure sleep surface -Adjustable mattress fixing rod: the adjustable rod secures your mattress to the bed frame, preventing any sliding -Nonslip mattress holder: creates and comfortable sleeping environment by preventing mattress movement -Versatile bed frame compatibility: suitable for leather, upholstered, adjustable, king/queen, platform, rv, and metal/wooden bed frames -Enhanced stability: the increased dimensions of the stabilizer ensure secure fit, preventing mattress sliding Package list: 2 x mattress anti-slip retainers