Introducing Big Bar Duo Disposable, the upgraded version of the original Big Bar. Big Bar Duo Disposable is offering a bigger tank than it's predecessor with up to 2200 puffs in a single device. Also, a bigger 1100mAh battery to support the device for maximum performance till the last puff. Dual flavors are gaining popularity in the disposable vape scene and that is what Big Bar Duo Disposable is about, it is launched in 7 unique dual flavor combinations to enter the competition. You can vape between 2 flavors with just a flip of a switch.