The main body is PET material, very clear and high quality material. This storage box you will buy individual and stack any layers you need, they are the perfect solution for all your shoes or small organization needs. It suitable for big size shoe, Women's high heels , high shoes etc, one box fit one pair of shoes. Put them aside of the door, also the beautiful decoration in house. The PP highly clear Box is very strong and powerful, special designed to make organizing your different kinds of shoes easy and efficient. It has a large of capacity and after folding, it will be very thin, so very save space and shipping cost when ship to your country. and it also suitable for storing smaller items like socks, underwear, and accessories. The box design with riser vent, it will not happen any smell when you store something inside, and front panel it have a lock for easy opening and closing, the best can meet your storage function. This product shoe wall is clean, the shoes are clear at a glance, very easy for shoe finding, no longer frantically searching.