Stackable and Moveable Design? Pioncrey plastic storage box can be stacked seamlessly, saving storage space and maintaining aesthetics. Our 4 tier stackable storage boxes has 2 lids and 8 wheels (4 with brakes), so you are free to assemble it into 2 sets of collapsible storage box, giving you more options. Convenient snap switches and grooves are designed on both sides of the plastic storage box with lid large to ensure the stability and compactness of the stacking storage boxes when stacked, and the convenience when it needs to be split. Four 360°Smooth wheels are built into the bottom, 2 of which have clasps to secure the folding storage box and also facilitate easy sliding when cleaning? Double door & Visual Design? The plastic boxes for storage can be opened from the front doors and the top lid, and the 2 opening ways are convenient to access to stuffs from different directions. The top lid is easy to quick access to large items, such as clothes and blankets. Powerful magnets are built into the front door, so you don’t have to worry about the door opening on its own. The door uses a coffee color transparent material, so that the stackable storage can be visualized, so that you can quickly find the items you need, saving your time? Foldable & Quick install? Pioncrey stackable boxes can be installed in a few minutes without tools. The plastic storage box with lid small can be quickly folded flat when not in use, and the large plastic storage box with lid can be placed under the sofa or in the corner of the room to save storage space. Driving out is also easy to carry, does not take up trunk space? Versatile Storage Solution? Our storage boxes large can be used in a variety of scenarios. Pioncrey storage box can be used as kitchen storage box on wheels, book box, closet organizers and storage, laundry room folding storage boxes, bathroom wheeled storage box. It can be used to store a variety of items, including clothes, bedding, books, snacks and other miscellaneous items. The perfect partner for organizing your home, office and garage? Large Capacity & High-Quality Materials? Pioncrey storage box with wheels has a large capacity of 19 gallons per layer, and the maximum load capacity is 10 kg, which can store more items. Our storage boxes on wheels are made of odourless, non-toxic, high-thickness PP materials to ensure superior durability.