Reinforced by Crossbar and Thick Board The shelving is made of durable P2 grade MDF, which is solid, water-prof and anti-scratch; The crossbar on the back reinforce the shelf ans make it more stable and durable | Rich Wood Grain Finish The P2 class MDF board we use is non-toxic and meets all safety standards. Clean, contemporary design meets rustic industrial style in this charismatic bookshelf. | Wall Anti-tip Metal Brackets Wall anchor kit is included to secure the Bookcase to the wall and prevent tipping injuries, IRONCK’S Notes: Please fix the bookshelf to the wall with anti-tip metal brackets for your and your family‘s safe. |