Richly colored to complement any countertop, Neoroc resists scratches, stains, and fading and is highly heat- and impact-resistant. The Cairn bar sink is made of KOHLER Neoroc, a matte-finish composite material designed for extreme durability and unmatched beauty.Cairn 15-1/2" X 15-1/2" X 10-1/8" Neoroc Undermount Bar Sink This bar sink includes a bottom sink rack to keep the surface looking new..