... be used during nights, which could totally replace the traditional teeth whitening facing.6. During the use of the dry whitestrips, the ... available 1ml, 3ml,5ml,10ml,20ml,Pen available in 2~10ml Label printing onto syringe/pen is available !Formula OEM is ok ... dam in 1-5 ml 8, Accessories: mouthtrays, retractors, finger teeth whitening wipes Pls feel free to contact us if any question