The High Borosilicate Glass sourdough Jar is a versatile and durable kitchen tool that is perfect for fermenting dough and cultivating yeast. Made from borosilicate glass, it is safe, and built to last. The jar features sealed design that effectively maintains dough, promoting sourdough. 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 from borosilicate glass material, this bread fermentation jar ensures both safety and durability. -With its versatile design, this jar is perfect for fermenting dough and cultivating yeast, a must-have. -The sealed jar design effectively maintains optimal levels during bread fermentation, can widely used. -The silicone spatula makes mixing and retrieving dough a breeze, adding convenience to bread-making. -Thetemperature paper provided allow for precise fermentation monitoring, perfectly fermented tool.Packing list1 x glass jar1 x silicone spatula1 x temperature paper1 x time monitor