LocknLock Clover 3-Tier Lunch Box Set with Bag & Cool Pack (Ivory) Excellent airtight and watertight with patented 4-hinge locking system with silicone sealing ring. BPA free material for strong durability and safety. Light and durable, transparent as glass. Microwave, freezer and dishwasher safe. [ 3 Divided Box(1EA) : 1000ml(34oz) ] + [ Box(2EA) : 800ml(27oz) ] + [ Bag(1EA) ] + [ Cool Pack ]