Supported by heavy-duty metal frame, the folding storage shelf presents great sturdiness and durability. Moreover, the anti-toppling kit supports a variety of items without bending or wobbling, ensuring your belongings are safely stored on the shelving unit. 4 flexible casters (2 lockable) glide smoothly and lock securely to provide both mobility and stability. When not in use, the shelving unit can be easily collapsed, making it simple to store away, saving valuable floor space. This 4-tier collapsible storage rack combines practicality with convenience, which is ideal for kitchen, living room, tool room, or garage. Bullet Point:Pre-Assembled Frame: The pre-assembled storage rack simplifies the assembly process, saving much time and effort. By following a few simple steps to attach the wheels, you can easily install the storage shelf. Versatile 4-Tier Storage Shelf: Ideal for organizing a variety of supplies, this shelving unit provides extensive storage possibilities. It is perfect f