20" W*44" H Book Shelf,4 Tier Metal Wide Bookshelf,Heavy Duty Book Shelfs,Adjustable Shelving Unit,Tall Bookcase,Industrial Bookshelf for Living Room,Bedroom,Office and Library

Heavy-Duty & Secure Metal Construction: Crafted from upgraded double-layer steel columns with reinforcing ribs for excellent stability. Contains 2 anti-tipping devices for secure wall anchoring, making this tall bookshelf safe for homes with children and pets. Tool-Free Assembly: This black bookshelf features an innovative bolt-free snap-together structure, as simple to assemble as building blocks. It comes with a rubber mallet, protective gloves, and a high-definition graphic guide, ideal for DIY beginners. Spacious & Adjustable 4-Tier Design: This 44" tall shelving unit provides ample space for books, movies, CDs, collectibles, and more. Adjustable shelves let you customize your display for figures, books, or decor in any room. Rust-Resistant Coating: This metal bookshelf has a professional anti-rust and anti-corrosion surface treatment (not regular spray paint), effectively resistant to moisture and rust. It is well-suited for humid spaces like living rooms, bedrooms, basements, and garages, keeping the shelf looking like new for years. Versatile Free-Standing Storage Solution: A sturdy bookcase, shelf organizer, and display shelf all in one. Its sleek metal design complements office, living room, or bedroom decor, offering large storage capacity without a bulky appearance