This sink is constructed of high-grade fireclay material, ensuring durability, longevity, and resilience to acids, alkali's, scratches, Designed in Italy, Made in Italy. Compliant with standard US plumbing codes and certified by cUPC. Reversible: smooth panel front apron on one side and fluted front apron on the opposite side. Possesses Extra-Thick fireclay walls of 1 3/8" Due to the organic nature of the fireclay, material dimensions may vary by 1/8" of an inch. We recommend having the sink on location to trace and measure for countertop and cabinet cut outs. Furthermore , minor imperfections may appear. These are not defects; this is what makes each sink uniquely its own. Defective sinks will not pass our quality control inspection and would be recycled into a new sink at the factory. Exterior Dimensions: 33.125" x 18.125" x 10" Inner Bowl Size: 30.25" x 15.375" x 9" Standard 3 1/2" center drain. compatible with a garbage disposal. Capable of being installed via Under-Mount (countertop Over edge of sink), Top-Mount (countertop Under edge of sink), or Flush-Mount (countertop Even with sink) Heat resistant up to 350' F. This sink has been tested and will not crack due to heat exposure from a pot / pan up to 350' F hot.