Featuring an airtight lid that locks in food freshness, this Bento Box from LocknLock brings you the ultimate lunch experience. Made of BPA free materials and can be safely used in the microwave, freezer and dishwasher for easy packing on the go! Bento Box container features unique 4-hinge locking system that's durability tested for long-lasting performance. Enhanced locking system is 100 percent airtight to keep foods fresh longer and 100 percent leakproof to prevent unwanted drips and spills. Safe from harmful chemical hormones with BPA FREE material. Bento box container has three separate compartments for bringing salads, sides, and mains plus a removable sauce and dressing cup for an all-in-one, on-the-go storage solution.