1.Test Tube,Cylindrical bottom, Glass,13*75mm 2.250pcs/inner box,2000pcs/ ... to our company to negotiate busniess,OEM is also weclome.Test TubeCylindrical bottom, Plastic DimensionsMaterialPackingØ12*60mm, Vol.3mlPS500pcs/polybage, 5000pcs ... , 2500pcs/cartonØ16*100mm, Vol.10mlPP500pcs/polybage, 2500pcs/carton Glass Test Tube with Rim-13*75mm