The 9 Pack Fermentation Glass Weights with Easy Grip Handle is a set of lead-free, food-safe glass weights designed for fermenting vegetables. Each weight has a capacity of 7 ounces and features a twist lock closure for easy handling. The clear glass discs are 2.75 inches in diameter and height, and can be cleaned in a dishwasher or by hand washing. Made in China, these weights are a must-have for any home canning enthusiast looking to add a touch of convenience to their fermentation process.