Enhanced Stability with L-Shape Design: Featuring a 5.5 x 4.7 x 3.9 in / 14 x 12 x 10 cm, L-shaped design that snugly fits around your mattress; this mattress retainer bar, combined with a wide 4.5 in / 11.5 cm base, maximizes friction and prevents sliding, keeping your mattress firmly in place Built to Last: Crafted from thickened metal, our mattresses stabilizer promises exceptional sturdiness and long-lasting performance; enhanced with a black electrophoretic coating, these retainers resist rust and maintain a sleek appearance for years to come Universal Compatibility & Aesthetic Appeal: This anti slip mattresses gripper is designed to complement various bed frames, offering a seamless fit with its minimalist style; a practical solution that doesn't compromise on looks and meets diverse needs Hassle-Free Installation: Enjoy versatile mounting options with both included screws for a rock-solid attachment and complimentary adhesive for quick and easy setup; install your mattress slide stopper effortlessly, no special tools required, for immediate mattress stabilization Say Goodbye to Mattress Slippage: Our 4 pcs set effectively secures your mattress, preventing unwanted movement and ensuring a peaceful night's sleep; no more waking up to a shifted mattress; enjoy undisturbed rest and consistent support