This mattress anti-slip holder is designed to keep your mattress securely in place, preventing unwanted sliding during use. Crafted from durable metal, it features a sleek and minimalist design that complements various beds, including wooden, pu, and metal frames. Ideal for ensuring a stable and comfortable sleeping experience. Features -Color: As shown in the picture -Material:Iron -Size:14.00X11.50X10.00cm/5.50X4.52X3.93in -Antislip design: prevents mattress from sliding or shifting, ensuring a stable and comfortable sleeping experience throughout the night -Universal compatibility: suitable for various bed types including tatami, metal frames, wooden beds, and pu beds, catering to diverse household needs -Easy installation: features a userfriendly design that requires no professional tools, allowing quick and simple setup to secure your mattress -Enhanced grip strength: provides strong holding power to keep the mattress in place, even during active movements like turning or children playing -Durable and versatile: works effectively with both new and old mattresses, extending their lifespan and maintaining optimal sleeping conditions Package list: 1 x fixer 3 x screws (diameter 4mm) 1 x adhesive sheet