Keep sparkling water, soda, seltzers and spritzes perfectly fizzed and chilled in this ingenious travel bottle. Insulated to keep cold drinks cold for 24 hours—and ice frozen for two days—Thirsti boasts a polished interior that helps maintain carbonation. The leak-proof lid features a built-in silicone handle for easy carrying, and the thermos fits in most cup holders. Ideal for carbonated beverages, the sleek blue and stainless steel Thirsti also keeps coffee, tea or cocoa hot for 12 hours.