Our mason jar tumblers are made from genuine Ball brand 24 oz. wide mouth mason jars. Each lid is hand-drilled, and includes a food-grade rubber grommet, and 1 straw. We offer blank tumblers with fabric sleeves in a variety of fun fabric choices. We also offer tumblers with sayings, that can be customized for you! These tumblers are made with high-quality, outdoor-grade permanent adhesive vinyl.