These borosilicate glass vials do not come pre-sterilised and should be made sterile before use to remove any biological agents that may possibly be present. To seal a vial securely a vial rubber stopper must be used, and then a vial lid crimped on with crimping tool. Glass: Low Borosilicate Glass Bottle Vials Colour: Amber Diameter: 22mm Height: 50mm Neck...