Liquid Paper Correction Fluid 20ml. Liquid Paper Correction Bottles are perfect for keeping handy when you're working with pens and markers so you can amend mistakes as you go. It's easy to apply and achieve opaque coverage plus it'll dry quickly so you can keep working. Each bottle contains 20mL of correction fluid. It's ideal on white papers since the fluid itself is white. The brush applicator makes the fluid easy to apply to your page. The bottle is designed to be spill-resistant so you won't get it on unwanted areas.