★★★ 24-Hour Free Shipping Prime Service ★★★. 【Lockable Wheels】This mobile cart is provided with 4 smooth 360° castor wheels, 2 of which are lockable. By this design, goals of easy movement and stability can be both achieved. Besides, scratches and noise during movement can also be effectively avoided. 【Round Iron Handles】With 2 half-round iron handles on the 2 sides of the top platform together with 4 castor wheels, users are allowed to push a cart full of papers by only 1 hand without any difficulty. 【Space-intensive Structure】This storage cart is designed into 4 layers with a platform, which is a smart solution of making full use of limited space by expanding the space vertically. Besides, such structure also allows you to store different items separately.