Highwave Double-Wall Vinogloww Water - Wine Glass, Set of 4 - 8oz each Capacity: 8-ounce each, Set contains: 4 Glasses Spherical Base and Thickness of glass give strength for long life Hand-blown Borosilicate Thermal glass for Hot & Cold Drinks Double-wall insulated glass, No sweat. Top shelf Dishwasher and Microwave safe. Focuses overhead light to create a unique glow