Storage boxes are containers used to store items and can come in a variety of shapes and sizes. The two crossword solutions for the term 'storage boxes' are BINS (4 letters) and CHESTS (6 letters). Bins are typically smaller, open-topped containers that are used to store items such as clothing, toys, or food. CHESTS are larger, closed containers that are often used to store items such as blankets, tools, or books. Both bins and CHESTS are useful for organizing and storing items in the home or office.