This is Sourdough jar, additionally, the jar comes with a cloth cap, silicone spatula for easy mixing and spreading, an adjustable elastic band for secure storage, and a temperature strip for monitoring fermentation . with the glass sealed jar for fermentation, users can confidently and precisely control the fermentation process. Features -Color:Assorted Color -Material:Glass, silicone and paper -Size:17.50X8.00X8.00cm/6.88X3.14X3.14in -The glass sealed jar for fermentation with natural yeast, featuring a glass jar, a cloth cap, a silicone spatula, an elastic band, and a temperature paper, is designed to provide precise fermentation control. -Innovative product allows for accurate temperature monitoring during the fermentation process, ensuring optimal conditions for the growth of natural yeast. -Glass jar provides a sealed environment, preventing any external contaminants from affecting the fermentation process. -It's the perfect someone who loves baking or wants to learn how to make artisan bread. -Besides, this dough starter container fermented tank allows you to keep a variety of ingredients such as sourdough, cookies, rice, cereals, coffee, and nuts. Package list: 1 x sourdough jar 1 x cloth hat 1 x silicone spatula 1 x elastic band 1 x temperature paper