Keep bread, bagels, muffins, and other baked good fresh longer with this innovative adjustable bread keeper from Progressive International, which expands up to 11 inches to fit the size of your bread products. The bread keeper's air vents adjust to allow just the right amount of air into the storage area, and it comes with its own bread board for convenient slicing. Made of polyethylene/polystyrene/TPE, it's dishwasher safe. Adjustable vent regulates air flow. Durable polypropylene cutting board . Expands up to 11 inches. About Progressive International After 38 years in business, Progressive International is still dedicated to creating functional gadgets, tools, food-prep items and household products to make your cooking and meal preparation more efficient and fun. Located in Kent, Washington, Progressive's products are sold in the United States, Canada, Europe, South America, and other international markets. Progressive Makes Cooking Cool More than a workspace, the contemporary kitchen is the heart of the home where we connect with family and friends, and Progressive's philosophy of product design aims to create the perfect balance of form, function and value for your kitchen. The design process pulls from many different research methods such as ethnographic research, consumer testing, surveys, and in-home observations, identifying real life problems in the kitchen that translate to fresh, new ideas for smarter products.