Bamboo Round Brush Have you ever had food stuck in the corners of your lasagna or brownie pan? Use this perfectly shaped round brush to easily tackle stuck on food! Safe on non-stick. This brush also serves well as a veggie cleaning brush. Dimensions: 4.5" in Width 4" in Height Longevity: This brush will usually last 3 months, depending on how often it is used. To clean the bristles, boil the bristles for 1-2 minutes as needed.