Made with up to 40% natural mineral content - reducing the amount of total plastic being used to manufacture each container, thus supporting your sustainability goals. Microwavable, allows for foods to be reheated in a microwave. Non-absorbent, cut-resistant surface-resistant to sauces and liquids soaking through the container. Versatile; ideal for a variety of food applications such as breakfast, lunch, dinner, and desserts. Chamfered corners provide extra strength at the corners of the container. Textured sidewall ribbing reinforces container durability. Sturdy construction is able to hold full portions of food without buckling. Dual bar locks provide audible snap and confirms secure closing every time.