Solid surface sinks are made from the same high-quality acrylic material as the countertops. They are stain resistant and very durable but not 100% impervious to staining or cracking. Since Solid Surface is non-porous, stains are usually surface stains and can be buffed out with a Scotch Brite pad. Cracks are rare but can be caused by repeated heat stresses (e.g., pouring a vat of boiling pasta into a colander) so we recommend tempering your sink by running hot water from the tap before pouring boiling water down the drain.