9 packs upgrade shoe storage boxes, with the size of 13.4""x10.7""x7.5"". All family members' shoes fit neatly into the box, and each box can be stacked securely.The six sides of the shoes organizer are made of rigid plastic, which is safe, environmentally friendly, and has no peculiar smell. The thick plastic sheet guarantees its durability, and the transparent design allows you to recognize the shoes you are going to wear today at a glance.Two magnets embedded in the door, provides suction when door closed. What's more, we set several vents in the box organizer, make it ventilated to prevent the accumulation of odor.