All-metal. 【Spacious Storage for Maximum Space】Size:69"H x 31.5"Wx 11.8"D. 5-tier tall bookshelf offers ample storage for books, files, and decor, making it a great choice for home office upgrade and space-saving furniture. 【Heavy-Duty & Anti-Tip Design】Each shelf can hold up to 280lbs, providing reliable storage for heavy items. The anti-tip mechanism ensures safety and stability, ideal for families with kids or pets. 【Versatile & Multi-Functional】Whether as a Book Organizer, display unit, or storage rack, this industrial-style metal bookcase adapts to any room—living room, home office, garage, or bedroom. 【Durable & Rust-Resistant】Made from sturdy metal, this bookcase is built to withstand daily use and resist rust, making it perfect for garages, offices, or humid environments. 【Quick & Easy Assembly】Designed for quick and hassle-free setup, this etagere bookcase comes with clear instructions and installation videos, and no special tools are required. Spend less time assembling and more time organizing! If you have any problems during installation or use, please get in touch with us and we will solve all problems. "All-metal. 【Spacious Storage for Maximum Space】Size:69""H x 31.5""Wx 11.8""D. 5-tier tall bookshelf offers ample storage for books, files, and decor, making it a great choice for home office upgrade and space-saving furniture." 【Heavy-Duty & Anti-Tip Design】Each shelf can hold up to 280lbs, providing reliable storage for heavy items. The anti-tip mechanism ensures safety and stability, ideal for families with kids or pets. 【Versatile & Multi-Functional】Whether as a Book Organizer, display unit, or storage rack, this industrial-style metal bookcase adapts to any room—living room, home office, garage, or bedroom. 【Durable & Rust-Resistant】Made from sturdy metal, this bookcase is built to withstand daily use and resist rust, making it perfect for garages, offices, or humid environments. 【Quick & Easy Assembly】Designed for quick and hassle-free setup, this etagere bookcase comes with clear instructions and installation videos, and no special tools are required. Spend less time assembling and more time organizing! If you have any problems during installation or use, please get in touch with us and we will solve all problems.