Add a touch of style and sleekness to your coffee get-togethers with these black mugs. These simple, yet classy glass coffee cups are perfect for serving Coffee and Cake after a family dinner or gathering. Crafted from high-quality opal glass with a clean, minimalist design, it makes a sophisticated addition to your tableware collection. The chemical components used to produce opal glass give it a distinctive, unmatched black color. Additionally, opal glass is five to six times more resistant than normal glass and it withstands constant use so it will last longer it is non-porous, cleaner, and more hygienic glass. Luminarc glassware continues to inspire worldwide. With constant refinements to traditional glass-making techniques, Luminarc glassware exhibit quality, style, and all-around practicality. Today, Luminarc is much more than one of the world’s premier makers of wine glasses, champagne flutes, beer glasses, carafes, and decanters. Their extensive range extends to include food storage, jars, dessert dishes, and other homeware. You can either buy these in a set of six or a set of twelve so pick the one that’s right for you. Set Size: 6