Came in way faster than it said happy with this buy will buy again most definitely item as described and was extremely fast shipping this cotton is awesome its easy to use and its fluffy if your new too vaping like me your gonna be intimidated and worried about the skill set needed to care for a pen the pen is easy to care for with the right tools when you unscrew the tank theres a metal straw thats connected to the base if you look closely there cotton sticking im not sure what it does but with out it the tank will sometimes leak if you change the cotton every time you refill the pen will never leak and the cotton filters the vape from the smoke caused by the h