- 100% Leakproof Design: Experience absolute confidence with the Era series, the only straw tumbler guaranteed to be completely leakproof for both cold and carbonated drinks. Our innovative Ü-Turn technology allows you to carry your beverage in your bag without the worry of spills. - Eco-Friendly ColdKey Metal Straw: Enjoy your drinks with our ColdKey stainless steel straw, designed to minimize plastic waste. Featuring a soft-touch silicone tip for comfort, this straw enhances your drinking experience while being environmentally conscious. - Exceptional Temperature Retention: Keep your drinks refreshingly cold for over 24 hours with our advanced BevGuard insulation. Whether it's a hot day or a long hike, the Era tumbler ensures you stay hydrated with icy beverages. - Convenient and Practical: The Era tumbler's sleek, tapered design fits seamlessly into all standard cup holders, making it the ideal companion for road trips, workouts, or daily commutes. Plus, it is top-rack dishwasher safe for effortless cleaning. - Versatile Use Cases: Perfect for outdoor adventures, your daily gym routine, or simply enjoying a cold drink at work, the Era tumbler adapts to your lifestyle while providing performance and sustainability. - Premium Construction: Made with high-quality materials, the Era series combines durability with style, featuring a body, lid, and straw that not only perform excellently but also look sleek. Choose the Era series for a reliable, stylish, and eco-friendly drinking solution that meets all your needs.