Everything needed to start fermenting vegetables in Mason jars! The 9-piece set includes: Pickle Pipe silicone airlocks (4x), Pickle Pebbles plus (4x), clear glass fermentation weights, Pickle Packer vegetable tamper (1x), plus a bonus printed fermentation guide with recipes and tips. It contains enough tools for 4 simultaneous ferments and is available for regular or wide mouth mason jars. Fermented foods are naturally preserved in a salt water brine and loaded with healthy bacteria, including probiotics.