1、CLEAR AND SIDE DOORS: The top and sides are made of clear plastic and have 2 side doors to make easy to find and take out what you need 2、STACKABLE: The stackable design of the large plastic storage box is great space saver. You can easily stacks and store when not in use 3、PP MATERIAL: Made of high quality PP (Polypropylene), the structure is safe and sturdy, each locker can support 22 lbs (10 kg), sturdy and durable 4、EASY TO TRANSPORT: Each contains 4 removable wheels that can be put on and pushed forward if the crate is too heavy 5、HIGH CAPACITY: Large enough to store groceries, books, toys, clothes, sweaters, tissues, sleeves, gloves, stationery, beverages, etc. 1 x Clear Storage Bins1 x Cover 1 x Upper Frame4 x Wheel Item Type: Clear Storage BinsMaterial: PP (Polypropylene)Folded Size: Approx. 48 x 36 x 9cm / 19.00 x 14.17 x 3.54inAssembly Size: Approx. 48 x 36 x 27cm /  19.00 x 14.17 x 10.63inWhether With Cover: Yes1 Door 2 Switch (2 Doors)Bear Weight: Approx. 10kg / 22lbWeight: Approx. 1840g / 64.90ozNumber of Doors: Side Door Double DoorWheels: Removable, 4 WheelsApplication Scenarios: Household books storage; children toys storage, kitchen material storage, outdoor storage, fishing box car trunk storage