An integrated push button on the side of P'3641 slim, discreet lighter generates an adjustable flame. A integrated window shows the lighter fuel level, the tank has a gas capacity of 0. 9 grams. What really makes this lighter stand out is the flame. created with careful design, the flame lights as a broad, flat jet of illuminated gas – an elegant display from an elegant lighter. Please note that storm lighters may not be carried in aircraft, both in hand luggage and checked baggage. Please also note that all Porsche Design lighters are storm lighters.