Double-wall vacuum insulation keeps drinks cold or hot for extended periods. Enjoy ice-cold beer, water or soft drinks in summer, and warm coffee, tea or cocoa in winter with stable temperature retention. Made from food-grade 304 stainless steel, this 340ml ice cup car cup is safe, , rust- and odor-free. Ideal for water, beer, coffee, juice and other beverages for daily use, travel or outdoor activities. The generous 340ml capacity provides ample room for your favorite drinks, reducing the need for frequent refills. Perfect for long drives, use, workouts, camping, picnics and home use. The vacuum structure minimizes heat transfer, maintaining the original flavor of your beverage. It effectively prevents condensation on the outer wall, keeping hands and cup holders dry and comfortable. Designed to fit most standard car cup holders, this stainless steel water cup is convenient for commuting and road trips. The portable size and design easy to carry in backpacks or bags.