Keb dai narn mak kha, especcailly spray perfume, perfume spray na kha when we spray it air can only come out one way kha , sometimes colour is changeable na kha but smell of a perfume still the same kha, I don't like perfume bab tae tae ah kha must open and close the bottle all the time, this style make smell changeable kha. ps. in Thailand I keep all my perfume in refrigirater ( thuk pao?) tu yen kha.