For the proper rising of plain and wholemeal loaves, the 13.75” Bread Proofing Bowls Polypropylene (201040) is perfect. Polypropylene is used to make this container which has a sturdy construction, and is highly suitable for commercial use. Its rectangular form always brings out definition in products that are made using yeast. This oblong-shaped bowl measures 5” x 13.75” and is durable enough to be used for successive products. This colorful model has a 2.2 pound capacity. Easy cleaning is another of its advantages, and it is suitable for dishwashers. After thorough drying, the product can be stacked and stored for future usage.