Vapers can get the best of both worlds by having two flavors in a single disposable e-cigarette. The Vape Gang XXL Switch Duo features a bottom switch to change between two flavors and lasts approximately 2500 puffs. The device is pre-filled with 6% salt nic e-juice and has a 7.0 mL capacity. The disposable vape comes in a variety of delicious flavors to choose from and are ready to vape right out of the box.