This bread sourdough jar is not just to fermenting dough. Its multi-functional design allows it to be used for various purposes, such as cultivating yeast for sourdough starters or even storing other food items. The high borosilicate glass material that it is resistant to high temperatures, making it suitable for fermentation. Features -Color:Assorted Color -Material:Glass, paper, silicone, wooden - Size: 16.00X10.30X10.30cm/6.29X4.05X4.05in(jar) - Size: 24.00X2.20X0.60cm/9.43X0.86X0.24in(spatula) -Made of borosilicate glass material, this sourdough jar the safety of your food, longtime use. -With its multifunctional design, this high borosilicate glass container can be used for various fermentation. -The high borosilicate glass material used in this sourdough jar is resistant to high temperatures and thermal. -This borosilicate glass container is suitable for fermentation and baking, making it convenient and practical. -Made of high-temperature resistant glass for safe and reliable use, ensuring safety and reliability during use. Package list: 1 x glass jar 1 x silicone spatula 1 x temperature paper 1 x time monitor