Set of 12 microwave-safe food storage containers, leak-proof and perfect for refrigerator storage. - Set includes: 12 containers - Temperature resistance: -20°C to 110°C - Features: Microwave-safe, leak-proof, suitable for refrigerator storage I received these as a gift, but I already have something similar. I haven't used them at all and they've been stored away. If anyone needs them, please let me know.