Usage : shampoo bottle , cosmetic bottle Color : Any color according to your pantone or sample provied . ... , shampoo, etc. Dosage: 4.0±0.2g. For the first pump, 3-4 times of pumping will work. Multi-layer leakage ... . Glass ball valve, resistant to acid and alkali. Non-toxic pump composition, meeting international standards. Many colors available for choice. · Dosage ...