This 3-tier rolling book cart is a versatile and practical solution for organizing and transporting books and office supplies. With its extra-large capacity, the 14.17-inch high shelves can hold a significant amount of items, making it ideal for libraries, offices, and homes. The side compartments are perfect for storing A4 folders and tablets, adding to its functionality. Made from high-strength carbon steel, each shelf can support up to 110 lbs (50 kg), with a total capacity of 330 lbs (150 kg). The rust-resistant coating ensures long-lasting durability, even with heavy use. The TPR silent swivel casters allow for smooth and quiet movement, with two locking casters for secure positioning. This feature makes it an excellent choice for environments where noise reduction is important, such as libraries or during nighttime use. The cart is easy to assemble with pre-drilled holes, and comes with an installation guide and extra screws for added convenience. Whether you need to move books, organize office supplies, or keep your home tidy, this rolling book cart is a reliable and efficient solution.