Elkay ILR4822L1 Sink This product is highly durable Easy to install Made in United states Highest quality sink formed of 18 gauge nickel bearing stainless steel material Luster tone sink bowl features integral fan pitched drain board Coved corners, 1-3/4-inch radius Exposed surfaces are hand blended Underside of sink is fully protected by heavy duty Sound Guard undercoating to reduce condensation and dampen sound