From a workout to hiking session, the Maars Charger 40oz tumbler is the perfect companion for all your adventures. Made from food grade 18/8 stainless steel with a double-walled vacuum-insulated construction to keep beverages cold and hot for hours. Travel mugs come equipped with a large, ergonomic handle for easy carrying throughout the day. A twist on slide lid prevents accidental spills and splashes. Fits in your cup holder for easy traveling and comes with 2 straws. Comes individually boxed.