Crafted with great materials, this mattress grip stopper ensures performance and reliable friction. Its design eliminates the need for drilling or adhesives, making it easy to install and remove. great for preventing unwanted movement of mattresses, sofa cushions, or toppers during daily use.Features-Color:Black-Material:Iron-Size:11.00X10.00X5.00cm/4.32X3.93X1.97in-Secure sleep environment: keep your mattress firmly in place to enjoy a and uninterrupted sleep-Damage-free design: avoid damage to your mattress and floor with our no-drill installation method-Effortless setup: achieve a secure fit in just seconds, simplifying the installation process-Practical mattress retainer: works with all types of mattresses and sofa cushions, ensuring versatility- quality: constructed from durable materials, our stopper makes longterm use and reliabilityPackage list: 2 x mattress retainer