Vials 2ml Cap found in: Cryogenic Storage Vials - 48mm, 2ml, LC Certified Vial Kits, safePort O-ring Caps, Low Profile, Mass Spec Certified Vial Kits, 1D.. and 2.0ml screw cap vials molded from high precision mold and high purity resin. Screw caps deliver leak-proof seal for all types of contents, ideal for life science reagent or solution. . All vials are available in skirted and conical