Material is borosilicate glass and PP,the normal color is clear and amber.Suitable for HPLC and GC.Has wide application area,it's including food,consumer goods,pharmaceutical,environmental,medical,chemical materials,packing and etc testing. It's economic and convenient suitable for use in Shimadzu VP series, rack 16,Borosilicate glass,olyethylene,Starburst top feature for easy needle penetration,Cap to be packed separately from vials