This 9 tiers tree bookshelf is made of E0 melamine plywood, and Germany imported melamine surface. Itâ??s 134.3cm high and weight 15kgs, well designed and very stable. Our surface is very smooth, uniform in structure, hard to be deformed, has high hardness, good abrasion resistance and dirt resistance, and can resist the corrosion of common acids, alkalis, greases and alcohols. Itâ??s beautiful and stable, We also added extra hardware to strength it. Itâ??s very easy to assemble and disassemble, even for a non-expert, only to put the wood stick in our holes, put them together by turns, and screw it at last. We will also offer a brief instruction to help. This tree bookshelf can be customized into different dimensions and colours like 7 tiers, 5tiers, Black, Grey, wood cherry and