INSULATED TUMBLER - Featuring double-wall vacuum insulation and copper plate technology, this tumbler keeps drinks hot for up to 6 hours and cold for 24 hours; Whether you're sipping coffee on a chilly morning or enjoying an iced drink on a hot day, the Fit Forty ensures your beverage are at the perfect temperature STAINLESS STEEL DURABILITY - Made from high-grade 18/8 (304) stainless steel, this 40oz tumbler is built to withstand everyday use; It is corrosion-resistant, rust-proof, and highly durable; The high-quality construction ensures long-lasting performance, whether you're at work, the gym, or on the road INNOVATIVE LID & REUSABLE STRAW - The tumbler's lid features a versatile three-position slider, allowing you to switch between cover mode for spill prevention, sip mode for controlled drinking, & chug mode for quick hydration; The included reusable straw gives you multiple ways to enjoy your favorite drink ERGONOMIC & TRAVEL-FRIENDLY - Designed for convenience, the stable Fit Forty tumbler with a non-slip base also has a sturdy ergonomic handle for a comfortable grip and effortless carrying; Its slim base fits most standard cup holders, making it a great companion for road trips, workouts, or daily commutes PROPRIETARY FINISH - The proprietary DuraGrip powder coating provides a durable, scratch-resistant, & textured surface for a secure hold; The sweat-free exterior prevents condensation, keeping your hands dry, no matter how hot or cold the drink is; Dimensions: 10.35"H x 3.85" diameter; Capacity: 40oz/1183ml; Weight: 540 ounces