This 3-tier rolling book cart is a versatile and efficient solution for organizing and transporting books, office supplies, and more. With 14.17-inch high V-shaped shelves, it offers ample space to hold a large number of items, making it ideal for libraries, classrooms, and home offices. The side compartments provide additional storage for A4 folders and tablets, ensuring everything is within easy reach. Constructed 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 when used with heavy books or equipment. TPR silent swivel casters allow for smooth and quiet movement across various floor surfaces, with two locking casters for secure positioning. This makes it perfect for use in libraries or during nighttime without disturbing others. Quick and easy assembly, with pre-drilled holes and an included installation guide, means you can have the book cart ready in no time. Whether you need to organize a library, manage classroom materials, or keep your home office tidy, this rolling book cart is a reliable and convenient choice.