General description Dealing with a slipping mattress at night? The 2Pcs Mattress Slide Stopper is designed to keep your mattress securely in place, eliminating the need for daily adjustments. This mattress retainer bar is perfect for adjustable beds, RV beds, wood beds, and other bed frames. Technical specifications Material: High quality steel iron Color: Black Size: 260 x 90 x 80 mm Package Contents: 2 x Mattress Slide Stopper, 8 x screws Measurement allowed error: +/- 1-3 cm Installation Each metal mattress stabilizer comes with 4 screws. Simply put the screws through the installation holes. Use an electric screwdriver to drill the screws into the wooden bed frame to fix the mattress holder. Usage Fits for adjustable beds, RV beds, wood beds, and other bed frames. Ensure the width of your bed frame mounting location is no less than 1.5 inches. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the