Package 1: HAUSHOF 24 oz 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 with Double Wall Vacuum Insulation enhances temperature retention; Prevents heat transfer when drinking hot beverages, maintaining temperature for over 6 hours; Prevents condensation on outer wall when drinking cold beverages, keeping drinks cold for more than 18 hours.