... cap: flip top cap, flat screw cap, metal cap3) Tube layer: two layer tube , 5layer tubes4) tube diameter: 16mm, 19mm,22mm , 25mm, 30mm ... volume: 3ml to 500ml.6) Tube Surfish : matte, shining7) Printing: silk screen printing, 6 color offset printing, hot stamping,8) customed ...