ITEM NAME:6 Pc Cup Lids Silicone Easy Fermenting Lids Bottle Cap For Jars 8.5cm/3.35 Descriptio n Description: Vent gas automatically, no need to burp jars daily to release excess pressure and maintain water levels. Cover the jar with a fermenting airlock lid reducing the risk of mold without any daily maintenance. Flexible silicone lids gets cleaning done fast and efficiently on both dishwasher and hand-washing. Perfect for storing anything in the pantry, fridge, or freezer. Prevent food contact with plastic or tin, line a straw hole lid for transport, replace your rusted metal flat lids, or line any type of cutout lid for candles or food. Specifications: Color: As picture Material: Food Grade Silicone Size: 8.5cm/3.35" Package Included: Bottle silicone cap*6 Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 6 Pc Cup Lids Silicone Easy Fermenting Lids Bottle Cap For Jars 8.5cm/3.35.Vent gas automatically, no need to burp jars daily to release excess pressure and maintain water levels. Perfect for storing anything in the pantry, fridge, or freezer. Flexible silicone lids gets cleaning done fast and efficiently on both dishwasher and hand-washing.