Wookon Closet Organizers and Storage Plastic storage bins with lids Clear storage bins with lids,No longer need to flip through the cabinet! Detail Show Top Storage The storage bins has deepen groove,which you could put some daily necessary like cups,pens,snack on it .The material is very hard ,it is sturdy . Side Buckle & Side Handle There are 2 side buckles on each tier of storage bin,which can perfectly keep the stability and never worry about the bin falling down.Meanwhile the side handle help you to move the bin easily. 360° Moveable Wheels(Addition Gift for 3/4 Tiers) The cabinet has 4 Bottom Wheels,and 3 &4 tiers addtionally match 360° moveable wheels which you could flexible to move to any space like carpet. There are 2 Lockable wheels included ,when you don't want to move ,you could lock the wheels to keep the stability.(Note:the color of 360° wheels is random to white or beige) Widely Application Room Storage Dorm Room Storage Wardrobe Storage Why choose wookon? Wookon storage box-specialized in its stablity,foldable,moveable,visible and 2 opening ways,it is your idea office supplies and classroom organization