Size:The glass fermentation weights with ribbed handle,measure 2.75 x 1.4 inches, each weighs 0.45 lbs,suitable for multiple sizes of jars, ensuring sealing and stabilityMaterial: These fermentation weights are made of premium glass,high temperature , can be directly placed in boiling water for cleaningMulti functional use: jar fermentation glass weight is a tool specifically for home fermentation,suitable for the production of fermented foods such as vegetable, yogurt, and fruitEasy to clean:The fermentation weights is smooth,dishwasher and hand washable,not prone to residual stains, and can be reusedHow to use: Put the ingredients to be fermented into a jar, add an appropriate amount of liquid, place a glass weight in the jar, and it on top of the ingredients to prevent it from floating upColor: TransparentMaterial: GlassPackage Contents:2 * Fermentation WeightsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.