This is one time use only ecigarette, the size about the same to real tabacoo.it is 3 usd per one set.can take 500 puffs This is one time use only ecigarette, the size about the same to real tabacoo.can take 500 puffsDimensions:115(L)x9.3(D)mmit is cheap ,only 3 usd per one set. X1