The promotional tumblers are useful in quenching your thirst while travelling outdoors. These travel tumblers are dishwasher safe and BPA free bottles that keep you hydrated in hot and humid climate. These eco friendly bottles are properly insulated to maintain temperature of your favourite beverage. These lightweight and compact personalized tumblers are easy to carry in a backpack or travel bag. This device also available with airtight lids that helps in preventing any spillage of liquid content.