• O-ring sealed and leak-proof lid locks in freshness.
• The locks on 4 sides of the lid are easy to use & proven to be durable.
• They have passed Star's QC testings to ensure durability of the hinge.
• Container is made of high heat resistant material that can withstand heat up to 130°C.
• Can be used in the microwave or commercial steamer.
• Containers can be stacked neatly to save space in the freezer.
• Material complies with FDA standard