40oz Ultimate Hydration Tumbler – Stay Refreshed All Day Designed for those who need maximum hydration, this 40oz tumbler keeps your drinks cold for hours with double-wall vacuum insulation. Whether you're at work, the gym, or on the go, the narrow base fits most car cup holders for effortless travel. Featuring an advanced lid with three positions, you can sip through the splash-resistant straw opening, drink directly, or seal it completely for leak resistance. The ergonomic handle ensures a comfortable grip, making it easy to carry wherever your day takes you. ✅ 40oz capacity for all-day hydration ✅ Double-wall vacuum insulation keeps drinks cold or hot for hours ✅ Rotating lid with straw, drink opening, & full cover for spill-free use ✅ Durable, BPA-free stainless steel – eco-friendly & built to last ✅ Dishwasher-safe for effortless cleaning