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. Certified by Uniform Plumbing Code (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: 24″ x 18 1/8″ x 10″ Inner Bowl Size: 21 1/4″ x 15 3/8″ x 9 1/8″ Standard 3 1/2″ center drain. compatible with a garbage disposal. Can be 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.