Qorpak GLC-07880 Borosilicate Glass 15 Drams Screw Thread Sample Vial, with 24-400 Neck Finish, Clear, Black PP Cap and PTFE Disc attached (Case of 72) Clear Borosilicate Sample Vials Offers maximum visibility Type I borosilicate glass assures the contents integrity 24-400 Neck finish Clear color Measures 15 drams Volume by 27.5mm Diameter by 140mm Height