The Vevor 3-tier rolling library book cart is built for transporting and organizing books, documents, and supplies in libraries, offices, schools, and home spaces. Its single-sided L-shaped shelf design helps maximize storage while keeping items easy to access. Made from carbon steel and cold rolled steel, it supports up to 330 lbs total capacity. Four silent swivel casters allow smooth movement, and two locking wheels help keep the cart securely in place. The compact frame is designed for durability, mobility, and everyday heavy-duty use.