From a workout to a hiking session - the Maars Charger 40 Oz 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. Tumbler comes equipped with a large ergonomic handle for easy carrying throughout the day. Twist on, slide lid prevents accidental spills and splashes. Fits in your cupholder for easy traveling and comes with 2 straws. Also comes with a box for gifting!