Features: Experience secure bedding with our Nonslip Mattress Gripper, featuring not drill design that anchors mattresses up to 440lbs without damaging bed frames, ideal for sofa cushions, and bunk beds. Crafted from metal with a contoured base, this bed frames stabilizer prevents shifting and noise while maintaining mattress alignment for enhanced sleep comfort and long lasting performances. Perfect for households with active kids, guest rooms, or dormitories, this mattress anchors ensures child safe stability during playtimes and provide bedding solution for temporary living spaces. Designed for versatile use in bedrooms, under sofa cushions, or on platforms, gripper’s compact profile blends discreetly with furniture while preventing slips during daily activities. Combining robust metal construction with a wood inspired finish, this gripper adds subtle styles to any room while its cartoon accents delight children, merging safety and aesthetics effortlessly. Specifications: Component: Metal Color: White,Black Size:Approx.140mm/5.51''x130mm/5.12''x100mm/3.94'' Package Includes: 4Pcs Mattress Retainer note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.