VEVOR Rolling Library Book Cart, 330 lbs Capacity, 38.2 x 20.3 x 48.2-Inch Library Cart, Double Sided W-Shaped Shelves with 3-Inch Lockable Wheels, Book Truck for Home Shelves Office and School, Black | Book Truck for Home Shelves, Office, and School, Double Sided W-Shaped Shelves, Flexible with 3-Inch Lockable Wheels, Black