Description: Sourdough Jar: This fermentation jar is for cultivating natural sourdough starters, Its high clear and clear scale markings make it easy to the growth of your starterUser Friendly Design: Featuring a straight, wide mouth design, this Sourdough Jar is easy to operate and clean Material: The Sourdough maker jar is made from glass that resists breakage, ensuring long time use in your baking endeavorsMultipurpose: This glass jar also is suitable for canning and storage, can be used for juice, yogurt, pickled vegetables, canning, candy jar, canisters, food jarsTemperature : The sourdough glass jar with a real time temperature sticker, this jar provides essential temperature information to aid in optimal fermentation and storage conditions Size Chart: 900 ml : 16x10cm/6.30inchx3.94inchstirring stick :24cm/9.45inch Package Includes: 1 jar with lid,a stirring stick,a measuring cup,a scraper,a cotton cover,a scale tape Note: Glass jars are resistant to high temperatures, but they must not be hot or cold. They need to be heated gradually to preheat the jar body.