CMD4844113 Yellow Plastic Stackable Storage Bin, 130mm x 205mm x 350mm. A storage bin is a type of storage box that is used for storing multiple small components or parts. These bins can be used on their own, placed on shelves or stacked on top of one another. They can also be used with louvred panels or cabinets to form part of a larger storage system. RS Pro range of high-quality plastic storage bins made from robust polypropylene designed for simple and effective small parts organisation and storage in the workplace and in the home. These storage bins are stackable and can be stacked on top of one another to provide both a space saving solution to your storage needs and ease of handling.