Amber vials with write-on spot, green screw caps, PTFE/red silicone septa 100/pk 5182-0554 Clear vials, blue screw caps, PTFE/silicone/PTFE septa 100/pk 5182-0555 Clear vials with write-on spot, blue screw caps, PTFE/silicone/PTFE septa 100/pk 5182-0866 Amber vials with write-on spot, green screw caps, PTFE/silicone/PTFE septa100/pk