It has passed the KEMTI‘s bending test. The container and the wing were fixed to the bending test machine and bent. 3,000,000 times 80 degrees left to right. If the container were to be used 10 times a day, it could be used for 821 years(semi-permanently). Durability is safe for change of temperature from -4°F to 210°F. So it can be used in the microwave, freezer and dishwasher.
Wash before use.
Top rack dishwasher safe.
Do not use abrasive cleaners and scrubbers.
Silicone seal can be removed for cleaning if necessary.
Do not use a sharp object to remove.
Unlock all four latches and loosen lid before use in microwave.
The container base and lid are microwave safe for reheating purposes only.
Do not use lid or base in oven, under browning elements or on stove top.
Avoid overheating food high in oil, fat, sugar, or Tomato content to prevent permanent stains, pitting or other dangers associated with high temperature.