Triple Insulation with Copper for Long-Lasting Temperature Control: Engineered to keep drinks cold for up to 18 hours and hot for 6 hours, this 40oz tumbler uses triple-layer insulation with a copper lining for superior performance. Sweat-Free & Durable Design: Enjoy a sweat-free exterior that stays dry even with icy drinks. The durable stainless steel construction is rust-proof, odor-resistant, and built for everyday use. Travel-Ready with Ergonomic Handle: With its comfortable handle and car cup holder-friendly base, this tumbler is perfect for long commutes, road trips, and outdoor adventures. Versatile, Spill-Resistant Dual-Function Lid: Switch between sipping directly or using the included straw with the spill-resistant dual-function lid. Designed for convenience, this tumbler adapts effortlessly to your lifestyle. Stylish, Eco-Friendly, & Gift-Ready: Available in a variety of vibrant colors and patterns, this tumbler is a practical yet stylish choice for yourself or a loved one. Its reusable design helps reduce waste, making it both functional and sustainable. Introducing Go!, a brand dedicated to crafting premium drinkware that seamlessly integrates into your dynamic lifestyle. Our collection of tumblers and bottles combines advanced insulation technology with stylish designs, ensuring your beverages stay at the ideal temperature while you conquer your day. With Go!, you don’t have to choose between style and functionality. Our drinkware is thoughtfully designed to keep up with your busy lifestyle, ensuring you stay hydrated and refreshed, no matter where your day takes you. The Go! 40oz Stainless Steel Handle Tumbler is favored by those with demanding schedules for its large capacity and superior insulation. The ergonomic handle and dual-function lid offer convenience, while the sleek design and color options allow users to express their style.