These wine tumblers are designed to hold either 10 oz or 12 oz of your favorite vino. Choose from a round bottom or a straight bottom depending on your preference. Made from durable, double-walled stainless steel, these tumblers will keep your wine at the perfect temperature for hours. With a secure lid and spill-resistant design, these tumblers are perfect for taking your wine on the go without the fear of breaking a glass. Whether you're relaxing in the backyard or heading to a picnic, these Wine Tumblers are a must-have.