[Invisible Floating Shelf, Space-Saving Design]: Books appear to magically float mid-air with our invisible mounting system, creating an ultra-clean visual effect that enhances any room's spaciousness. Perfect for apartments, home offices or living rooms - it transforms wasted wall space into functional storage without any footprint. [2-Screw Installation, Easy Easy]: Super easy to install the black floating bookshelves with just 2 screws. Installation takes literally one minute per shelf! Simplified design ensures quick setup and minimal effort. Clear instructions and included hardware make installation a breeze. [Upgrade Larger Surface for Book Support]: Each shelf features a large metal surface (6.3'' x 5.12'') that fits most books perfectly. The spacious design ensures better support and stability, making it ideal for heavy-duty use. [15LB Heavy-Duty Hanging Bookshelf]: Sturdy metal construction supports up to 15 lbs per shelf. Made from durable, anti-rust metal, these wall mounted shelves are built to last. Each shelf supports up to 15 lbs, ensuring your books and decorations stay secure without bending or breaking. More durable than flimsy plastic or wooden bookshelves. [Modular System for Creative Displays]: Mix and match 4 shelves in endless configurations - stair-step, symmetrical or asymmetrical arrangements. Showcase books, framed photos, succulents or action figures to create your own personalized wall gallery that's both functional and display-worthy. 1