Made of high tenacity thickened PP material, the stackable organizer is sturdy and durable to ensure it stands up to daily use. The clear design of the organizer allows you to easily see what's inside, and the double door design makes it easy to find and access items. The organizer box has a collapsible design for easy storage and space saving, and is stable and reliable with multiple layers of stacking. This organizer can be used to organize books, documents, toys and other items, helping you keep your space tidy and clutter-free.