1.many color available 2.No burning taste 3.No leaking 4.with CE,RoHS 5.OEM available Features:1.color:white, black, green,pink, red,gray, stainledss steel...2.different flavor available: coffee,menthol,vanilla,strawberr...4.No leakage, No chemical5.Factory direct price6.Good month feel7.many color available:black,white,pink,gold,red and so onRemark: Guarantee:6monthscertificate:CE,RoHS,