A glass tumbler with a lid and straw, often used for beverages like iced coffee, smoothies, or tea. It is made of high borosilicate glass, which is durable and can withstand both hot and cold temperatures. The tumbler comes with a lid to prevent spills and a glass straw for easy drinking. It typically holds around 16-20 oz of liquid. These tumblers are reusable and often marketed as an eco-friendly alternative to disposable cups.