This ceramic straw tumbler is wheel-thrown and finger painted, and includes a reusable glass straw. It is perfect for smoothies, iced coffee, or a refreshing cocktail. With a finger-painted colored clay slip design, this shape feels great in your hands! Product Details Size: 4.75” tall x 3.25” in diameter and holds 10 oz. Made from locally sourced clay and colored by hand. Glazed with a zinc-free clear. Dishwasher, Microwave, and Food Safe  All products are completely made by hand in Denver, Colorado. The highest quality clay and glaze materials are used to create functional art pieces that are meant to be used and loved everyday. Due to being handmade there may be very slight variations in each piece. That's the beauty of handmade pottery, every single piece is an original.