1.Test Tube,Cylindrical bottom, Glass,12*75mm 2.250pcs/inner box,2000pcs/carton 3,withISO9001,CE,FDA ... also weclome.Test TubeCylindrical bottom, Plastic DimensionsMaterialPackingØ12*60mm, Vol.3mlPS500pcs/polybage, 5000pcs/cartonØ12*60mm, Vol.3mlPP500pcs/polybage, 5000pcs/cartonØ13*75mm, Vol ... , 2500pcs/cartonØ16*100mm, Vol.10mlPP500pcs/polybage, 2500pcs/carton Glass Test Tube with Rim-12*75mm