Crafted from impact-reistant porcelain ceramic Stain and scratch-resistant surface withstands everyday wear Superior Vitreous China enamel glaze Standard sized (1.75' diameter) drain opening, allowing for the use of any standard, non-overflow type drain Can be mounted either above-counter or partially recessed into the countertop Dimensions: 16-1/2' x 16-1/2' x 5-1/2'