Handcrafted from solid tempered glass, the VIGO Sheer Black Glass Vessel Bathroom Sink is ideal for everyday use. The polished interior and exterior are stain-resistant and easy to clean. The sleek, highly reflective transparent black bathroom sink makes a stunning presence in any modern bathroom renovation.Solid tempered glass constructionHandmade scratch-resistant glassNon-porous surface to prevent discoloration and fadingStain-resistant, easy-to-clean surfaceSmooth polished glass interior and exteriorAbove-counter installation1 3/4" standard drain openingMeasurements:Exterior Height: 6 inchesExterior Length: 16.5 inchesExterior Width: 16.5 inchesInterior Length: 15.5 inchesInterior Width: 15.5 inchesGlass thickness: 0.625 inchesStandard 1.75 inch drain openingCertifications & Warranty:cUPC certified by IAPMO; ADA CompliantAll VIGO Bathroom Sinks have a Limited Lifetime Warranty