... And Thick Walled,PP1000pcs/bag,10000pcs/cartonJHB003Centrifuge Tube 1.5ml,Various Color,PP1000pcs/bag,10000pcs/cartonJHB004Centrifuge Tube 2ml,Molded Graduation,Round Bottom,PP500pcs ... Silicon Ring,PP1000pcs/bag,10000pcs/cartonJHB027Cryo Tube 1.5ml,With Silicon Ring,PP1000pcs/bag,10000pcs/cartonJHB028Cryo Tube 1.8ml,With Silicon Ring,PP500pcs/bag ...