Durable bowl with silicone ring underneath that makes it stand firmly on the table. The bowl is made of RPET, which is an environmentally friendly and durable material. Rtt Start’s products in RPET contribute to reduced waste and a lower carbon footprint. RPET is not microwave-safe but can be washed in the dishwasher. Do not use abrasives or sharp objects, as this can damage the surface. Dishwasher safe on top shelf at 50 degrees. Dimensions:5.7 x 15.5 cm