This is a simple and efficient prevention of mattress movement stopper, we specifically designed and produced for the bed frame factory. The quantity is two, equipped with screws, Just a screwdriver can be tightened in the corner of the mattress. Made of flat and thick metal, not easy to deformation, the treatment, strong and . Can be used for your home, vacation home, RV and other bed frame of sizes, to determine the size before purchase, and whether it is suitable for screw installation can be.<br><br>color: Black material: metal<br><br>Package Contents: 2PCS Mattress Retainer Bar(With mounting screws)<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.