Specification Brand : Picklemeister BulletPoint1 : Made in the USA BulletPoint2 : will fit inside many gallon size pickle jars, and half gallon jars with the same size lid. BulletPoint3 : This weight is Hexagonal in shape. It measures 3" from flat side to flat side, and about 3.5" from point to point. BulletPoint4 : These have a slight green color to them because of the type of glass used BulletPoint5 : Lead free Glass, will not fit Mason jar wide mouth or standard mouth. Capacity : 1 liters CareInstructions : Dishwasher Safe Color : Clear ExternallyAssignedProductIdentifier : 5010853158396 ExternallyAssignedProductIdentifier1 : 0788490110569 ExternallyAssignedProductIdentifier2 : 788490110569 IsDishwasherSafe : 1 ItemForm : Jar ItemName : Fermentation glass Jar Weights 3" Hexagon (1) ItemPackageDimensions_Height : 1.778 centimeters ItemPackageDimensions_Length : 23.622 centimeters ItemPackageDimensions_Width : 13.97 centimeters ItemPackageQuantity : 1 ItemShape : Hexagonal ItemTypeKeyword : canning-jars ItemVolume : 1 liters Material : Glass NumberOfItems : 1 PartNumber : 0025.491 Pattern : Solid ProductDescription : These were developed to keep the vegetables below the level of the liquid in the jar, which is really about the only cause of possible failure when using lacto fermenting preserving methods. Glass is known to be one of the most inert substances and should not leach chemicals into your Ferment. These weights are not meant to be heated in any way ProductSiteLaunchDate : 2014-07-07T05:05:45.854Z RecommendedUsesForProduct : Countertop UnitCount : 1 UnspscCode : 52150000