Package 1: Double Wall Insulation: The travel mug features double-wall insulation to ensure that your drink stays cold or hot for twenty-four and six hours, respectively. With the vacuum-insulated design, the bottle will not form condensation on the outside, reducing the potential to damage electronics.
Package 2: HAUSHOF 20 oz Tumbler - Enhanced Thermal Insulation Capabilities: The HAUSHOF 20 oz tumbler utilizes Double-Walled vacuum insulation technology, guaranteeing that your beverages remain hot for over 6 hours or cold for more than 18 hours. Savor your drinks at the perfect temperature throughout the entire year.