Dishwasher-safe
Freezer-safe
BPA-free
Food grade
Suitable for MB Tresor bento box and MB Gram snack box
The MB Bubble
The MB Bubble
The MB Bubble is the transparent disc located on the MB Tresor and MB Gram lid.
It fits both products and is available in a variety of colors and outlines so that little eaters can mix and match the capsules and tabs, to customize their boxes any way they like.
The MB Bubble