Experience the joy of bird watching with our "This is my Lucky Bird Watching Cup" from FREEHEART. This insulated mug/tumbler is designed with a nod to our feathered friends in its 'Things with Wings' theme. With Freeheart's expertise in creating high-quality reusable plastic drinkware, this tumbler is not only visually appealing but also functional. It's 100% made in the USA, keeping drinks hot or cold for hours, is top-rack dishwasher and microwave safe, and BPA-free. Enjoy the convenience of a sliding travel lid for on-the-go sipping. This sturdy tumbler, with its thicker base and walls, offers an insulated longevity of approximately 5% more than competing brands.