Easily reheat leftovers the containers are microwavable. Reduce the chance of sauces and liquids soaking through the container, our containers are non-absorbent, cut-resistant and surface-resistant. These versatile containers are 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 confirm secure closing every time. Made with up to 40% natural mineral content. - Non-absorbant, cut-resistant surface. - Versatile for a variety of food applications. - Microwavable.