25 Inch Top-mount/Drop-in Stainless Steel Kitchen Island Sink 15mm Radius Design 16-gauge premium grade stainless steel construction with an 18/10 chromium/nickel composition. Made with a sound-dampening system that absorbs & reduces the noise made by a garbage disposal. Overall Exterior: 25" x 22";Interior: 22-1/2" x 17-3/4" x 10"; All sinks handmade individually with excellent craftsmanship. Compliant with cUPC Certified (Uniform Plumbing Code)