World Centric's Compostable Bowls are made from wheat straw fiber, which is derived from the stalks of wheat plants (no protein, gluten, or allergens, which are contained in the grain of wheat). They're unbleached, preventing toxic dioxins from entering the environment and food chain, and easily compostable in industrial facilities or at home. This convenient set has twenty 11.5 oz compostable bowls that are perfectly sized for an ice cream sundae, a bowl of soup, or your favorite picnic salads.