This mattress anti-slip holder is designed to keep your mattress securely in place, preventing unwanted sliding during use. Crafted from iron, it features a sleek and minimalist design that complements various beds, including wooden, pu, and metal frames. Color: As shown Material: Iron Size: 14.00X11.50X10.00cm/5.50X4.52X3.93in Anti-slip design prevents mattress from sliding or shifting, ensuring a stable and comfortable sleeping experience throughout the night. Universal compatibility suits various bed types including tatami, metal frames, wooden beds, and pu beds, catering to diverse household needs. Easy installation with a user-friendly 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