It is made of high quality PP materials. Easy to open up with simple steps, ideal for storageThe sides of each storage utility crate feature easy-grip handles while the internal storage provides of space for all kinds of personal items, you can organize and transport your necessary items more easily.Collapsible, Portable and Space-saving Design - Lightweight durable crates can collapse in seconds. You can easily take it for on-to-go transport, and it offers a space saving solution for your trunk, garage, office, etc.Multi-purpose, to help you sort out the sundries in the car, children's products, work tools, outdoor storage of food and beverages, and transportation supplies for household items