Say goodbye to sliding mattresses with these innovative mattress stoppers. Designed to fit seamlessly with various bed frames, these non-slip grippers offer a secure hold without damaging your bed. The user-friendly installation process means you can have your mattress secured in no time, enhancing your overall sleep experience. Features -Color:Black -Material:Iron -Size:14.00X11.70X10.00cm/5.50X4.60X3.93in -Effective mattress stopper: prevents your mattress from sliding off the bed frame, ensuring a stable sleep surface -Adjustable mattress securing straps: these straps effectively secure your mattress to the bed frame, preventing any sliding -Nonslip mattress gripper: ensures your mattress stays in place, providing and comfortable sleep environment -Wide compatibility: suitable for various bed frames, including , upholstered, adjustable, king/queen, platform, rv, and metal/wooden bed frames -Enhanced mattress stability: the increased height and width of the stabilizer provide a more secure fit, preventing mattress movement Package list: 4 x mattress anti-slip retainers