These Tubular Glass Screw Threaded Vials are Available in Both Clear and Amber Borosilicate Type I Glass. Due to Their Closely Held Tolerances and Uniform Wall Thickness, These Vials are Ideal for Lyophilization and Storage of other Liquid Pharmaceutical Product. Available in Capacity of 5ml, 10ml, 15ml and 30ml. Supplied with Autoclavable Pp Screw Cap with Teflon Liner. These Vials Can Be Shrink-wrapped or Packed in Corrugated Plastic Trays to Reduce Contamination By Particulates.