Hard PP Material【2 Ways to Move】The storage bin on wheels with lid can be moved in two ways - ①Swivel Wheels: Simply snap into the black accessories and wheels to move smoothly. [2 front locking wheels + 2 rear non-locking wheels] ②Directional wheels: 4 straight wheels, good straightness.【Foldable and Stackable】Foldable and stackable storage bin - folds flat when not in use, when in use It only takes about 10 seconds to put the various parts together, the assembly method is very simple. Plastic collapsible storage bins can be stacked to save floor space.
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