2 ml screw-top vials, blue caps PTFE/red rubber septa, 1 500-vial convenience pack 2 ml wide-opening, clear, screw-top vials (100/pk) 1 2 ml wide-opening, amber, screw-top vials (100/pk) 1 Blue screw caps, PTFE/red rubber septa (100/pk) 1 2 ml snap-top vials, clear polyethylene caps PTFE/red 5182-0547 1