Introducing our 20 oz Tumbler, the perfect addition to your boating experience. Designed to keep your drinks ice cold even under the scorching sun, this tumbler is a must-have for any boat charter. Whether you're enjoying a refreshing soda or a chilled cocktail, this tumbler will ensure your drinks stay cold throughout your journey. With its durable and insulated design, you can trust that your beverages will maintain their crisp, cool temperature, allowing you to savor every sip. Don't set sail without this essential tumbler to keep your drinks cold and satisfying.