1.Test Tube,Cylindrical bottom, Glass,12*75mm 2.250pcs/inner box,2000pcs/carton 3 ... weclome.Test TubeCylindrical bottom, Plastic DimensionsMaterialPackingØ12*60mm, Vol.3mlPS500pcs/polybage, 5000pcs/cartonØ12*60mm, Vol.3mlPP500pcs/polybage, 5000pcs/carton ... *75mm, Vol.5mlPP500pcs/polybage, 5000pcs/cartonØ12*75mm, Vol.5mlPS500pcs/polybage, 5000pcs/cartonØ12*75mm, Vol.5mlPP500pcs/polybage, 5000pcs/carton ...