Portable tumbler
A portable tumbler is a reusable drink container designed for on-the-go use, often featuring double-walled insulation to maintain the temperature of beverages. It typically includes a spill-resistant lid and a design that fits easily in car cup holders and backpacks, making it convenient for travel. Portable tumblers are ideal for busy individuals who need a reliable and eco-friendly way to carry their hot or cold drinks throughout the day.