Tumblers are versatile drinking vessels typically made from materials like glass, plastic, or stainless steel. They come in various sizes and shapes, designed to hold both hot and cold beverages. Tumblers are popular for everyday use, as they are often easy to grip and can be used for anything from water to coffee. Many tumblers are insulated, which helps maintain the temperature of the drink inside. This feature makes them ideal for outdoor activities, such as picnics or camping. Some tumblers even come with lids and straws, making them convenient for on-the-go hydration, especially during activities like hiking or traveling.