A plastic tumbler is a drinking cup made out of plastic material. It is lightweight and typically has a smooth and glossy surface. The cup usually has a cylindrical shape with a rim, allowing users to comfortably drink from it. Some plastic tumblers have a lid and a straw for added convenience and spill-proof functionality. These cups are commonly used for serving cold beverages such as water, juice, or soda. They are easy to clean, reusable, and great for both outdoor and indoor use. Overall, a plastic tumbler is a practical and versatile choice for everyday hydration.