Made of glass in the USA. Designed with an inward tapered lip which captures and enhances the aroma and flavor of the beer. Stackable design so you can safely store them in a bar area with limited space. Perfect size for sampling - works great with Beer Tasting Flight Paddle. Dimensions: 3 7/8"H; Capacity: 5 oz. Libbey Glass 3816 - Stacking Belgian Taster 5 Oz., Glassware, Beer Samplers, 24 Pack As America's Glassmaker since 1818, Libbey Foodservice knows the vital role glassware plays in your business. Libbey is renowned as the leading producer of glassware products in the Western Hemisphere, including stemware, beer, spirits and barware glasses. More than vessels for beverage service, the right glass enhances presentation to elevate value and helps you control portions to maximize profitability.