To ensure a flavorful and efficient experience, Volcano Vaporizer Balloon Bags should be replaced after 50-100 uses. Volcano Vaporizer Balloon Replacement Bags measure 3 meters by 31 centimeters or just less than 10 feet by 1 foot. This makes it really convenient to choose the length of your Replacement Bags. The Volcano Vaporizer Balloon Replacement Bags allow your favorite aromatherapy blends to remain fresh for up to 8 hours.