They are microwave

these snack containers are a game changer for lunch on-the-g

Whether used as snack box

lunch containers & fruit containers

lunch container

Small Bento Box for Kids - Mint Color:Sage They are microwaveSmall But Mighty: Made from premium 304 stainless steel, this metal bento box is tough! No more replacing broken containers. Rust resistant, stain resistant, & odor resistant this steel tiffin box for kids will last a lifetime! Convenient 3 In 1 Design: No more packing & washing multiple containers, our metal lunch box is the perfect solution. These easy lunchboxes are perfect for metal lunch box for kids, snacks on the go & fruit containers for