The Fesso is a single-layer stem patterned vessel constructed of grey high tempered glass. The stemmed pattern will reflect nicely on the counter with light shining from above. Miseno uses advanced technology to produce beautiful glass vessel sinks with unmatched structural integrity and longevity. Internal testing has found these glass vessels to be very durable and forgiving. Made with the highest standards of quality and creative design, Miseno sinks add art and function to any bath or powder room. Fesso has a standard 1.75-inch drain opening. At 16.5-inches in diameter there's plenty of room to wash those hands. The set includes a pop-up drain, mounting ring and glass. Supreme packaging and boxing ensure damage-free delivery. Miseno MVS-TIG-8070 Features: Covered under a manufacturer limited lifetime warranty Constructed of tempered glass Vessel installation Center drain location provides optimal draining capability Miseno MVS-TIG-8070 Specifications: Overall Length: 16-1/2" (left to right of sink) Overall Width: 16-1/2" (front to back of sink) Overall Height: 5-3/4" (top to bottom of sink) Drain Connection Size: 1-3/4" Number of Faucet Holes: 0