Perfectly sized, this straight-walled glass jar comes with a specially designed lid that keeps contaminants out but lets air in, essential for that living, breathing little buddy you're going to house in there! Use the rubber O-ring to mark your starter’s pre-expansion level after feeds and see just how happy it is in its new home.

DETAILS

• 5.5" H x 4" D
• 700 ml (a tad shy of 3 cups of starter)