Set of 24 pieces - includes 12 containers and 12 lids of varied sizes. to match different storage needs, the set included 4 containers with capacities of 500ml, 4 containers of 1200ml capacity, and 4 containers of 2250ml capacity. Microwave and freezer safe - the plastic used is 100% BPA free. the containers (not the lids) are dishwasher, microwave, and freezer safe. they can be used in temperatures up to 80 degrees Celsius Airtight & leakproof – a snap-on lock system and silicone rubbers in the lids make the containers airtight, spill-proof, and leakproof. preserve, store, and move food items easily using the containers that ensure it stays fresh for longer Sturdy built – made from strong and solid pp (polypropylene) plastic material. the containers are 100% BPA free plastic, and designed for longer durability and regular usage even when used in rough User-friendly design – the rectangular-shaped containers allow ease storage and stacking in cabinets, refrigerators and freezers. with a spacious, transparent design, it helps find stored food faster and better organize food items. easy to wash and clean, the containers can be reused and cater to multipurpose storage requirements.