Are you looking a shelf to offer extra storage space and avoid messy? Our 5-tier shelving unit will be a perfect option. Its folding design helps you easily expand or fold it. Once unfolded, it has 5 storage shelves for you to store plenty of sundries. Besides, all shelves can be assembled in 13 positions according to your storage needs. If you need higher storage space, you can detach several shelves. Whats more, the storage shelf is equipped with 4 movable wheels, allowing you to transport different items. 2 of the wheels are lockable, enabling you to keep the storage rack still. More importantly, it features anti-toppling design for higher steadiness and security.