This mattress stopper is made of stainless steel material, which can withstand the lasting use. It can be installed around the bed frame to easily solve the problem of mattress sliding. Simple structure, easy to use and can bring you much more convenience. Features -Color:White -Material:Stainless steel -Size:16.50X11.00X5.00cm/6.48X4.32X1.97in -Note:Random quantity screws. - The mattress holder is very easy to use, simple to install, bring much more convenience to use. - The mattress anti slide stopper can be used for different size bed frame, very useful, satisfy your demands. - Practical mattress retainer bars are strong enough, not easily deformed or broken, support long time using. - The bed sheet holder can be installed around the bed frame to easily solve the problem of mattress sliding. - Owning the strong break resistance ability, the mattress retainer is very practical, with excellent texture. Package list: 2 x Mattress Slide Stoppers 4 x Adhesive Stickers