Acrylic large double bowl kitchen sink with a durable finish that is easy to clean with non-abrasive cleaners. It has deep bowls to maximize workspace and functionality with the beauty of porcelain and strength of cast iron yet lighter weight. The insulated construction absorbs waste disposal noise and resists stain, rust, oxidation, chipping, and scratches. It is designed for Drop-in quick and easy installation. No mounting clips required for Drop-in installation. Plumbers putty for drains and silicone sealant for perimeter of sink is all that's needed. All Thermocast brand sinks are certified by the Canadian Standards Association and the National Association of Home Builders Research Center and carry a Lifetime Warranty.