✅【Heavy-duty/Sturdy Loaded】8 tier rolling book cart for storage and saving space. The small bookshelf cart is made of high-quality metal & wood materials to hold up to 40lbs per bookshelf. It was NOT wobbly when you moving it to get items. ✅【Spacious Storage Capacity】This book carts with wheels provides 8-tier large storage space while saving you floor space to optimize space utilization.（Including total 6 tier of the 2 sides bookshelves）Deep and Large Bottom with fences are designed for preventing items from dropping. ✅【Use in multiple scenarios】This mobile bookshelf is suitable for various occasions, whether it's for home, classroom, or office organization and storage, it's a perfect choice. It not only saves a lot of space but also makes your area look neat and tidy. ✅【Easy Assembly】The rolling bookshelf comes with detailed step-by-step installation instructions, necessary tools, and parts. All components are labeled with numbers to make assembly a breeze. Once assembled, the file cart will be sturdy and reliable, providing convenience and peace of mind for your use. ✅【Easy & Convenient to Move】This Movable Multi-Tier rolling bookshelf cart with wheels comes equipped with 4 wheels (2 lockable) design makes it easy & convenient to roll around to anywhere you need, or lock it in any place. 8 Tier Rolling Bookshelf Cart with Wheels，Mobile Book Storage with 2 Sides Access Bookcase for Narrow Space, Slim Rolling File Organizers and Storage for Study Office Living Room Classroom School