Each tumbler comes with 1 and 1 reusable plastic straw. Double-walled Coffee Tumbler: Double-walled stainless steel body ensure that it is incredibly good at temperature protection. Under normal temperature, the insulated coffee cup can keep your water hot for three hours and cold for nine hours. The 20 ounce drink tumblers’ body height is 6.6", the drink-through lid diameter is 3.4". It fits most car cup holders and is ideal for use over a long period of time.