Handmade Glass Fermentation Weights for Wide Mouth Mason Jars - FITS ANY SIZE OF WIDE MOUTH MASON JAR (1/2 gallon, quart, and more);Food-Safe, Lead-Free and Non-Porous Glass Ferment Weights - Made From Pure Soda-Lime Glass (same material used to make Ball, Kerr and Bernardin Mason Jars);Specifically Designed to keep vegetables submerged below the brine and prevent mold in small batch lacto fermentation;Dimensions: 2.75 Diameter x 0.75 Thick. Weight: 6 Ounces (170 grams) - Only One Weight Needed Per Jar;Includes 4 Wide Mouth Glass Fermentation Weights and Secure Gift/Storage Box