.Any combination of 1.5ml Screw Neck Vial 10-425 with one of our 10mm PP Screw Seals can be obtained as a 2in1 KIT .Packed in a cleanroom class 10,000 which is a new hygienic standard for chromatography vials .Upon request the vials can be delivered with a barcode label or with pre-sealed 10-425 closures Vials