Vigo Walnut Shell Vessel Sink Lot 10040 - VIGO Boxed Item. The Vigo Walnut Shell Above The Counter Tempered Glass Vessel Sink In Browns Brings An Earthy, Balanced Light Into Your Home. Fashioned From Hand-Painted Tempered Glass, Each Bowl Has Its Own Unique, Slight Color Variations, While Retaining Vigo's Elegance And Functionality. Handmade With Possible Unique And Slight Color Variations, So No 2 Sinks Are Identical.