Blanco Rondo bar sinks are made of premium quality 18 gauge stainless steel to create a lasting impression within any bar or prep areas, while the self-rimming bowl makes its installation practically effortless. Can be topmounted or installed under the counter for a sleeker look. Blanco Rondo Silgrant sinks are mad of a non-porous material that resists stains like coffee, tea and red wine, while its hard surface resists scratches and chips. And with six classic colors to choose from, this sink was designed to complement any decor.