description: 100% brand new quality feature: Yeast contains enzymes that break down starch into glucose, which in turn breaks down into alcohol and carbon dioxide. The carbon dioxide generated will form holes in the bread dough, making the bread swollen and soft. Alcohol will evaporate during the baking process. Such bread is soft and delicious. specification: Material: Yeast Color as shown Size: 5g net content Shelf life: 24 months (the date of production is indicated on the package) Quantity: 1 pack note: Due to differences between monitors, the picture may not reflect the actual colors of the item. Thank you The package includes: 1 x bag Thank you for your support Welcome to buy from us We guarantee the quality of our products.Have a nice day