Zwiesel Beer Glass Set for Lager with Effervescence Points, Pair of 2 Unused Please refrain from purchasing if you are sensitive to the condition, as this item has been stored at home. Set of 2 beer glasses with effervescence points. - Brand: Schott Zwiesel - Product Name: Beer Basic - Quantity: Set of 2 - Material: Glass ★Purchased at Costco. ★As this was purchased at Costco, there is a possibility that it was a display item. ★We strive to make product photos as close to the actual color as possible, but the color may differ slightly from the actual product depending on your monitor settings and room lighting.