Serum Pump, MW3-57 admin 2 years ago Serum Pump, MW3-57 Serum Pump 0.25 CC DosageCustomize ColorCustomize Dip tube LengthMOQ 10000 PCS External Spring Liquid won’t contact any metal partCustomize Injection Color Double Layers Closure PE, Rubber and Silicone Gasket optionsSuitable for serum, cream products Half AS Dust Cap Color can be customized