Vinnova Avila 20" Grey Concrete Rectangular Vessel Bathroom SinkWith its neutral gray hue and rounded rectangular design, our Avila concrete vessel sink embodies design innovation combined with everyday functionality. The perfect accent for an industrial or contemporary bathroom, this unit is constructed of a proprietary concrete mix blended with eco friendly materials for added strength and longevity. The basins interior is polished and sealed to create a smooth surface that keeps stains and scratches at bay.