The 10 oz. Pelican™ Dayventure Tumbler is the perfect size to fit most coffee machines. And, there will be no more spilling hot coffee during the morning commute as Dayventure Tumblers fit 99% of all car cup holders. The Tritan™ insulated leak-proof locking lid keeps liquids safely inside, while the 18/8 pro grade stainless steel is vacuum-sealed and double-walled to withstand the regular bumps and drops of everyday life. The sweat-proof powder finish, ergonomic design, and built-in loop for easy backpack attachment means this tumbler looks good and feels good to the touch. Keeps drinks cold for 24 hours and hot for 12 hours. Guaranteed for life.