HIGH-QUALITY MATERIAL: It is made of PP, which is harmless, environmentally friendly, impact-resistant, non-yellowing, and non-deformable, making it suitable for long-term use, sturdy transparent shoe box, durable sneaker container and reliable plastic storage boxes for daily shoe rack use. FREE STACKING: With the snap interlocking system, they can be firmly stacked up and down and be connected side to side to create different shapes without easy separation when you accidentally bump into them to suit different sized spaces and unique decorations. Stacking upwards saves a lot of space, stable stackable shoe boxes with lids, combinable shoe storage box and flexible large shoe storage box for hallway storage. EASY TO ACCESS: The transparent doors allow you to quickly find and select the shoes you want to match your outfit for the day. Flip-up doors allow for secure and easy shoe access, visible trainer storage organiser, convenient clear front opening shoe box and practical container holder for quick shoe picking. POWERFUL STORAGE CAPACITY: The combination of 20 shoe organizers can meet almost all your shoe storage needs. Besides, it can also store a large number of living and learning items to lighten the load of your cabinet. Placing boards on top of the stacked boxes can also hold keys and other miscellaneous items, multi-purpose 20 pieces shoe box set, versatile storage boxes for shoes and spacious shoe rack storage boxes with lids. LIGHTWEIGHT AND FOLDABLE: They can be folded for easy storage and transportation when not in use. The lighter PP organizer makes it easy for you to move it to any room to serve its storage and decorative purpose, portable foldable transparent shoe boxes, lightweight plastic drawer style shoe box and space-saving stackable boxes for all household rooms.