The only all wood large size safely rail guard of its kind on the market! Comes with rubberized reversible metal plate that will make it work with the 3/4 inch rails as well as 1 inch thick rails. You can attach it with the supplied screws from the inside to avoid damaging the rail or just push it in. Two inch by two inch thick posts offer sound protection for your child. It works best with mattresses up to eight inches high. The rail guard is both functional and well-crafted which is enhanced by the aesthetics of all wood construction. The beauty of 100% pine wood is enriched by hand painted finish which gives it a silky smooth feel and a spot-free appeal. Available in three colors it can match your bed or bunk bed or you can choose from perfectly compatible furniture pieces made by Palace Imports.