This kind of containers are made of 18/8 stainless steel(304) or 18/10 stainless steel(316), which makes sure of the food safety.
Easy to take the foods out. It can be bento boxes, even for soup, also can be used in the freezer.
Easy to clean
Help the environment! Best solution to get rid of plastic and glass containers
Featherweight & Durability & Non-broken