Features:*QUALITY MATERIAL:This product is made of high-quality material, which is durable, not easy to break, and can be used for a long time.*DURABLE: Wide mouth design is suitable for natural yeast fermentation, moisture-proof and freshness preservation, wear-resistant and durable.*EASY TO USE: Unique design and mold for optimals sourdough starters maintenance. This yeast fermenter has a funnel-shaped opening for easy handling.*PERFECT KIT: This sourdough starters kit comes with volume, net weight and feed line markers, cloth lid, silicone lid/base and spatula.*MARKABLE TIME: The elastic band labeled with the day of the week shows exactly when and how much you last fed the sourdough starters fermenter.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: GlassGlass Jar BodyMaterial: high white material glassLid Material: Aluminum lid (built-in rubber rings)Cloth Hat Material: cotton and linenSpatula Material: siliconeSize: As ShownMaximum temperature resistance of glass jar: 120 degreesMaximum capacity of the glass jar: 730 ml