Palais Glassware Mason Jar Tumbler Mug with Handle - 17.5 Ounces - Set of 4 (Bottom Sprayed Green/Blue/Orange/Red) Hand wash in cold water to save the colors. Great for Old-fashioned iced tea, lemonade, or any refreshing drink Popular at county fairs and casual restaurants, the mason jar mug can now be enjoyed at home. The sturdy glass construction makes the mug ideal for everyday use and the handle makes it easy to hold. Crafted of High Quality durable glass, known for durability and elegance. Innovative glassmaking techniques produce perfectly smooth rims and edges.