Key features The bowl has a rubber ring on its base which keeps it in place during use. Good to know Sizes: 2,3 l (dia. 22 cm) and 3,7 l (dia. 26 cm). Wash this product before using it for the first time. Care Instructions Microwave-safe; heat food up to 100°C. Freezer-safe. Dishwasher-safe. Materials and Environmental Responsibility Material Bowl:Polypropylene plastic Foot ring:Synthetic rubber