Cambria is one of the only Quartz product that is manufactured in the USA. It’s made from 93% pure natural quartz, it’s harder than granite but won’t scratch or stain. If you love to cook – Cambria is a great option. It’s nonporous, nonabsorbent and won’t hold harmful bacteria plus it gives off zero emissions. Cambria surfaces are certified by GREENGUARD®. Just use warm water and mild soap to clean – no sealing or polishing required.