4Pack Mattress Retainer Bars with Mounting Screws – Secure, Stable, and Easy to Install Keep your mattress securely in place and prevent unwanted shifting with this set of ‑quality mattress retainer bars, designed for both convenience and durability. Key Features and Benefits: Complete Value Pack: Includes 4 black mattress retainer bars and 16 mounting screws. Each bar measures 10.43L x 3.5H x 3W inches (26.5L x 9H x 8W cm), long enough to hold the mattress firmly without daily adjustments. Hassle Installation: Simply align the bar with your wooden bed frame, insert screws through the predrilled holes, and tighten securely. Designed for quick setup, easy repositioning, and simple removal when needed. Reliable Mattress Stability: The mattefinished surface enhances friction between the retainer bar and the mattress. This prevents movement, ensuring the mattress stays in place whether you toss and turn or share the bed. Durable Construction: Made from thick, quality iron metal with a smooth finish and black baking paint coating to resist rust and corrosion. Built to withstand regular use without bending or breaking. Safe Design: Rounded edges prevent damage to bed frames and protect hands during installation. Practical Use Scenarios: 1. Ideal for adjustable bed bases where mattress sliding can be a common issue. 2. for restless sleepers who frequently reposition during the night. 3. for guest rooms or vacation rentals to keep mattresses neatly aligned without constant maintenance. Function and Compatibility: These nonslip mattress grippers are suitable for most wooden bed frames. The universal size and design make them compatible with various mattress types, providing consistent support and stability. With this set of mattress retainer bars, you can maintain a tidy bed setup, improve sleeping comfort, and reduce the need for daily mattress adjustments, ensuring a neat and secure sleeping surface every night.