Air-Lock Fermentation Lid, silicone. Designed for use with Kilner 3L Jars. The silicone lid and air-lock allow gases to be released but do not allow air to enter resulting in a perfect environment for fermenting food.
The Sterilite Red Ultraseal Latching Bowls offer an airtight seal, keeping food fresh and secure. Each 2.5Qt bowl comes with two lids, featuring an innovative latching system and comfortable carrying design. The translucent material allows for easy identification of contents. Enjoy fresh food with no messes!