Combine quality and design with a unique glass vessel from Novatto. As an industry leader in glass vessels, Novatto uses advanced technology to produce beautiful glass vessel sinks with unmatched structural integrity and longevity. Constructed of thick 3/4 inch high tempered glass, Fiche is a double-layered round vessel sink with a design of koi fish on a dark background. The design pattern is locked between two layers of glass ensuring years of beauty. Internal testing has found these vessels to be very durable and forgiving. For best cleaning results, apply Glacier Ice as recommended. Novatto's Glacier Ice wipe-on treatment is a hydrophobic sealer used on sinks, faucets and showers. Made with the highest standards of quality and creative design, Novatto sinks add art and function to any bath or powder room.This sink has a standard 1.75-inch drain opening. Suggested Novatto pop-up drains: PUD-ORB (oil rubbed bronze), PUD-BN (brushed nickel), PUD-CH (chrome ) or PUD-MB (matte black). Suggested matching mounting rings: MR-001ORB (oil rubbed bronze), MR-001BN (brushed nickel), MR-001CH (chrome) or MR-001MB (matte black). Novatto's customer service is always here to answer any additional technical product questions or help you choose a matching faucet.