. Richly colored to complement any countertop, Neoroc resists scratches, stains, and fading and is highly heat- and impact-resistant.Neoroc Cairn 33 Sgl Basin Ada Sink The Cairn ADA-compliant sink offers thoughtful accessibility with a shallow 5in bowl depth and a rear-offset drain location that increases workspace in the sink and space underneath for wheelchair accessibility. The Cairn sink is made of KOHLER Neoroc, a matte-finish composite material designed for extreme durability and unmatched beauty.