JUST ENOUGH ESPRESSO FOR JUST ABOUT ANYWHERE. Savour those day-saving espresso shots with a tumbler primed for the job — the Rambler® 10 oz. Tumbler. Insulated to keep the steam on your caffeine and comes with our customer-favourite Mag Slider™ Lid to protect from any splash out, because surprise speed bumps are very real. Like the entire Rambler® Drinkware family, the 10 oz. Tumbler and its lid are dishwasher-safe for easy cleaning. Please note: This magnet slider is not leakproof and will not prevent spills. MEASUREMENTS & SPECS EXTERNAL DIMENSIONS 7. 2W X 14. 4H CM EMPTY WEIGHT 0. 3 KG CAPACITY 10 FL OZ IMP.