The Ravenscroft Amplifier Pro Barrique White Wine Glass features an oblong cup with a curved narrow mouth. Intended to magnify intensify and focus the bouquet of the wine this shape maximizes the aroma and bouquet of the wine keeping it in the glass until tipped. This wine glass is ideal for these grape varietals and wines: Grand Cru Burgundy (white) Graves (white) New World Chardonnay and Rhone (white).Ravenscroft Crystal is the embodiment of old-world European craftsmanship blended with modern understanding of how a wine glass enhances the tasting experience. Each style of glass that Ravenscroft offers is the result of many years of glass-making trial and error. Each type of glass is individually designed and crafted to enhance the bouquet and taste of the wine or spirit for which it was made. The combination of being perfectly formed and light to the touch allows the bouquet to deliver the essence of the wine and spirits to the proper zones of the palate. To reduce the transfer of hazardous toxins into the beverage all Ravenscroft crystal products are lead-free.