The KOHLER® Billings 32-1/2" undermount kitchen sink raises the bar on functionality and professional styling. The Billings sink is made of KOHLER® Neoroc, a matte-finish composite material designed for extreme durability and unmatched beauty. Richly colored to complement any countertop, Neoroc resists scratches, stains, and fading and is highly heat- and impact-resistant. The sink's large, deep bowl allows you to soak and clean large cookware and bakeware and has easy-to-clean rounded corners. SInk rack is included to protect the surface.