1.plastic rounding bottom test tube ,12*75mm 2.2000pcs/carton 3.withISO9001,CE,FDAcertificate 4.T/T CodeDescriptionDimMaterialCLF001 Test Tube ,Round Bottom 12*75mm PPCLF002 Test Tube ,Round Bottom 12*75mm PSCLF003 Test Tube ,Round Bottom 13*75mm PPCLF004 Test Tube ,Round Bottom 13*75mm PSCan be use 12mm test tube stopper Rouding bottom plastic Test tube-12*75mm