General description Keep small and fiddly components and supplies neatly stored away in this 21 Litre Plastic Divided Storage Box from Really Useful. It features 6-part and 12-part trays for tidy compartmentalized storage, allowing you to keep smaller parts safe and organized. The clear sides enable you to see contents at a glance for efficient organization while providing sturdy protection from the elements and vermin. The design is stackable for space-saving storage and includes handles for easy carrying.