Fermentation Lids - Regular Mouth - Purple - 4 Pack Lap Blanket The lining is engineered to

The lining is engineered to stay protected from melting and is safe for use with dishes hot from the oven

Waterproof silicone glove protects from boiling water

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LEAK-PROOF eco-friendly liner

Fermentation Lids - Regular Mouth - Purple - 4 Pack Lap Blanket The lining is engineered toElevate your fermentation game with the Two Lumps of Sugar Fermentation Lid Regular Mouth Green 4 Pack. These vibrant purple, BPA free plastic lids are designed for regular mouth mason jars and feature a built in airlock to release CO2 gas while keeping OXYGEN out. Our fermenting airlock caps are made of silicone, are self burping, and have a one way waterless valve to vent gas automatically while fermenting foods at home. No water, burping, or