Fireclay sinks are extremely durable refractory clay material and sturdy construction, which can resist spalling and impact damage.Glossy border pattern design, reversible installation, beautiful, and practical. Fireclay sinks are reinforced with glaze to lock in its beauty and create a surface that is non-porous and thick, making it completely resistant to abrasion, rust or scratches.CASAINC fireclay sinks certificated by cupc, anti-peeling, prevent sink discoloration, chips, cracks. The four sides of the sink are vertical, and the deformation is controlled within 2.8mm, and the gap with the cabinet is small and tightly fitted. Packing: shaped foam and carton packaging to prevent the sink from being damaged during transportation and to reach you in perfect condition. CASAINC Promise: we offer lifetime limited warranty policy for all our customers, and a strong customer service team is online 7*24 hours. if you encounter any puzzlement, please contact us at any time, we will promise you a happy solution. Casainc Fireclay Sinks is Kiln-Fired at High Temperatures of 2200°F and Features Solid Core Construction That Makes it Highly Resistant to Impact and Thermal Shock. At The Same Time, Using Advanced Glazing Technology to Create a Durable Non-Porous Finish, Will not Yellow or Fade Over Time. These Properties Make Casainc Fireclay Sinks a Superior Choice Compared to Alternative Materials Such as Cast Iron Enamel And Ceramic Sinks Which Can Easily Chip or Crack. The 27 inch Fireclay Sink Gives You Plenty of Usable Space for Filling Pots, Stacking Dishes, and Preparing Meals.