1.5ml volume for teeth whitening pen, twist design, precise dosage control, for filling teeth whitening gel, or oil products Detailed Description:1. Article ... moisturizer, hand moisturizer, dark cirlce remover, wrinkle remover, eye gel, nail varnish oil, etc.5. Packages decorate can be accepted ... for other products field, such as any kinds of oil, gel, cream, lotion, wax for cosmetics. The pen can be ...