10, 25, 50 or 100 Latex Ink Sacs / Bladders for Vintage Fountain Pens. Free P&P.
The price is for 10, 25, 50 or 100 ink sacs in sizes from 14 to 20. They are cured, dried and dusted with french chalk ready for use. All the sacs are a minimum of 75mm long, simply cut them to size to suit the barrel length of your pen.