Altitude Daytona Plastic 2-in-1 Double-Wall Tumbler & Straw - 600mlget the best of both with this bold tumbler, which features a mouth for drinking hot beverages, and a straw for sipping on cold drinks. The double wall design helps your hot drinks stay warmer and cold drinks stay cooler for longer. 18. 6 ( h ) cm pp 600ml double wall packaged in a gift box please note that drinkware items packaged in individual boxes that are branded in house are shipped with box lids open. This is a result of our production process