The complete baking supplies include the sourdough starter container, 9 in. bread proofing bowl and baking tools you will need to make delicious and nutritious homemade sourdough bread. Also, Printed recipe book, user manual, etc. 24 oz. capacity is enough to make 2-4 sourdough loaves. You can easily add flour and water to wider-mouth glass jar and remove the starter when needed. Enjoy baking sourdough bread with family and friends. The kit has necessary tools and you don't need to worry other things. It's perfect for bread baker and beginner. The basket is made of natural Indonesian rattan. Compare to other bannetons' supplies, as the top chain of production line, our baskets are smooth, no splinter and never to mold, safer for your family. Before putting the dough into basket, please sprinkle a thin layer of flour on the basket to ensure less sticking issues. After each use, simply pat or brush the surface lightly and any remaining flour will come off. For the jar, the writing scale is clear, please avoid using lemon or orange-flavored dish soap. Material: Cork.