Sturdy & Durable Material: Made of thickened and strong PP material, our storage bins with lid is strong and durable, with a long enough service life. The closet organizer's strong load-bearing capacity ensures that it will not easily deform or break when carrying items, thereby providing a reliable solution to your storage needs. Safe and Stable Structure: These storage boxes have a shared top panel with snap connection fastening on the sides, enhancing its stability and preventing any wobbling or loosening. The groove design on the storage containers allows them to be stacked easily, allowing for efficient and organized storage of items. Visual Design: Since our plastic storage bins uses a transparent front side panel, you can easily and quickly identify the items stored inside. The top stackable storage bins has two opening methods, the top lid or the front side panel, and the lower storage box opens and closes from the front side panel.