Includes 9 containers and 9 lids of varied sizes. To match different storage needs, the set included 3 containers with a capacities of 500ml, 3 containers of 1200ml capacity, 3 containers of 2250ml capacity.All the containers are microwave, freezer and dishwasher safe. Excluding the lids, use the containers for temperatures up to 80 degree Celsius to heat food, store or clean as need be.A snap-on lock system and silicone rubbers in the lids make the containers airtight, spill-proof and leak proof. Preserve, store and move food items easily using the containers that ensure it stays fresh for longer.