Eight sizes: One 4500ml, one 1500ml, one 935ml, one 535ml, two 380ml and two 200ml. Food storage: Get an eight-piece food storage container set! Smart lock: With a smart-locking system to keep each box tightly sealed. Material: Made using 100% BPA free plastic. Versatile: Containers (not lids) are suitable for dishwasher, freezer and microwave.