Microwave-safe
Dishwasher-safe
Freezer-safe
BPA-free
Food grade
Suitable for MB Original and MB Square bento box
The MB Cap
The MB Cap
The silicone cap is positioned on the top of the MB Original bento box.
Simply lift them to open the containers to release steam and pressure that build up during heating, then press to close.
They’re available in a variety of colors, so you can also use them to customize your bentos!
The MB Cap