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. The chemical components used to produce opal glass give it a distinctive, unmatched white colour. Additionally, opal glass is five to six times more resistant than normal glass and it withstands constant use so it will last longer and it is non-porous, cleaner, more hygienic glass.