Q Premium Natural Quartz from MSI is a stylish and practical countertop that is engineered with 93% quartz making it extremely durable and long-lasting. Q Quartz countertops are nonporous, so they require lower maintenance than natural stone surfaces and never need sealing. Q Quartz is offered in a wide variety of timeless and on-trend colors to complement any design. This is an eco-friendly solution to your countertop needs, whether residential or commercial applications. Q Quartz surfaces have a limited lifetime residential warranty and a 10-year commercial warranty.