Recommended for use in the kitchen and on buffet and cafeteria lines for holding all types of foods. Excellent in crock pots or steam pans for hard-to-clean foods like cheese sauces, dipping sauces, hot syrups, and toppings like fudge and caramel, soups and gravies. Maximum temperature of 220° F, NOT designed for use in ovens. Go direct from freezer to microwave. Domestically made of HDPE film. Clear.