Ready to enjoy the surprise from the 4-tier bookshelf? It contains 4 wide shelves that allow classified storage. Also, the display shelf is super stable, since it features a metal frame, adjustable foot pads & anti-tipping kits. By the way, the overall load capacity is up to 90kg. As for durability, the metal structure is powder-coated to gain better rust resistance. All boards are thickened, so they wont crack easily. Just place the storage shelf in any corner, it will bring ample storage, while decorating your home or office with an industrial design. Finally, it is super easy to finish the installation.