Café-Roller at Frankenbad in Bonn presents itself as a mobile café operated with a Piaggio Ape as a coffee bar. It offers a selection of coffee specialties, prepared from directly traded organic coffee. The use of organic milk as well as lactose-free and plant-based alternatives underscores its commitment to sustainability. The drinks are preferably served in porcelain cups or glasses to avoid waste. Café-Roller at Frankenbad is an integral part of Bonn's old town and invites visitors to linger.