The VIGO Amber Sunset glass vessel bowl features a variety of brown, red, and amber colors throughout, providing a distinguished elegance.Handmade with possible unique and slight color variations, so no two sinks are identicalSolid tempered glass constructionScratch-resistant glassNon-porous surface to prevent discoloration and fading Stain-resistant, easy-to-clean surfacePolished glass interior with textured exterior Above-counter installation1 3/4" standard drain openingSink measurements: Diameter: 16 1/2"Height: 6" Glass thickness: 1/2"This VIGO glass vessel bowl is cUPC, and ANSI certified by IAPMO.ADA CompliantLimited Lifetime Warranty