Product name
glass test tube Borosilicate Glass tubes vials bottles aluminum cap
Diameter
13mm/14mm/15mm/16mm/18mm/20mm/22mm/30mm/37mm/47mm/50mm/55mm/70mm/78mm
Surface treatment
Printing/Painting/Hot stamping/UV coating
Bottle color
Clear/Customized
Cap color
Gold/Silver/White/Black/Customized