Keep everyday drinks at the preferred temperature with this 30-ounce travel tumbler. Double-wall vacuum insulation keeps cold beverages cool for up to 12 hours and hot beverages warm for up to 6 hours. The 304 stainless steel body resists rust and corrosion, while the smooth exterior stays condensation free for a more comfortable grip. A clear flip-top lid includes separate sip and straw openings, plus a silicone O-ring for leak resistance. The tapered profile is easy to hold and suitable for commuting, office use, driving, hiking, or camping. BPA-free construction and dishwasher-safe components simplify daily use and cleaning. The tumbler measures 4 inches in diameter and 8 inches high with the lid attached.