Introducing our 30oz Duo Senior 2023 Tumbler! This custom tumbler is designed with double-wall, vacuum insulated technology to keep your drinks just the way you like them. It comes with a clear screw on lid with a clear straw for convenience, as well as a new black screw on flip top Hydrosport carabiner clip lid for on-the-go versatility. The vent hole in the lid enhances the drinking experience, while the BPA free construction ensures your safety and peace of mind. Whether you're at home, in the office, or on the move, this tumbler is the perfect companion for keeping your beverages at the perfect temperature.