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Guide

What are paint markers?

What are paint markers? A paint marker is a pen filled with liquid paint instead of ink. That one difference explains everything about them: they cover dark surfaces, write on glass, stone and metal, and dry opaque. Here is how they work, the main types, and how they compare to the markers you grew up with.

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Updated

What are paint markers?: illustration of an acrylic paint marker drawing a bold stroke

Short answer

A paint marker (or paint pen) holds opaque liquid paint and feeds it through a fiber or brush tip, so you draw with paint as easily as with a felt pen. Acrylic paint markers use water-based acrylic or pigment paint; oil-based paint markers use solvent-based paint for tougher marks. Unlike regular dye markers, they cover dark colors and work on almost any surface.

What is a paint marker?

A paint marker is a marker body filled with liquid paint, a valve or wick that controls the flow, and a tip that lays the paint down. The paint is pigment in a binder, the same idea as a tube of paint but thin enough to flow through a nib. When it dries, it leaves an opaque film on the surface rather than a stain soaked into it. That is why a paint marker can draw white on black paper, label a steel pipe, or decorate a window.

What are acrylic paint markers?

Acrylic paint markers are paint markers filled with water-based acrylic or pigment paint. They are low odor, clean up with water while wet, and are the standard for art, rock painting and crafts. Posca, Molotow ONE4ALL, Montana, Liquitex and most budget sets are in this group. Compare them with solvent-based markers in acrylic vs oil-based paint markers.

How paint markers work inside

Paint marker mechanisms

MechanismHow it feeds paintNeeds priming?Examples
Pump action (valve)A spring valve opens when you press the tip downYes: shake, then pump on scrapPosca, Molotow, Montana
Direct inkPaint wicks to the tip on its own, no valveLittle or noneMany brush tip budget sets
Cotton coreA fiber reservoir holds the paint, like a felt penNoSome budget fine tip sets
Oil-based valveA valve like pump markers, with solvent paintYesSharpie oil-based, Uni Paint

Independent reviewer Sarah Renae Clark tested all three water-based mechanisms in her 2026 comparison, with Posca scoring highest overall among pump-action markers. More on why pump markers need priming is in how to use acrylic markers.

Paint markers vs regular markers

Paint markers compared with regular markers

Paint markerRegular dye marker
InkOpaque pigment paintTranslucent dye ink
Covers dark colorsYesNo
SurfacesPaper, stone, wood, glass, metal, plastic, fabricMainly paper
BlendingLayers; blends while wetBlends smoothly on paper
SetupShake and prime pump markersReady to use
FinishMatte to satin film on topSoaks into the surface

Alcohol markers, the blendable markers used for illustration, are a third family: translucent and great on marker paper, but not opaque. Paint markers are the ones to reach for when the surface is dark, smooth or not paper.

What paint markers are used for

Do paint markers wash off, and are they permanent?

Paint marker permanence by surface

SurfaceWater-based acrylicOil-based
Paper, card, canvasPermanent once dryPermanent
Wood and stonePermanent once dry; seal outdoorsPermanent
Glass and mirrorsWipes off with a damp clothNeeds a solvent
Metal and plasticCan scratch or rub off unless sealedPermanent on most
FabricPermanent when heat setNot usually recommended

Posca, for example, says its paint is permanent on porous materials such as wood, cardboard and textiles and erasable on smooth surfaces such as glass (Posca FAQ). For the longest-lasting options, see permanent paint markers.

Paint marker tip sizes

Paint markers come in widths from 0.7 mm extra fine to 15 mm and wider, in bullet, chisel and brush shapes. Medium tips around 1.8 to 2.5 mm are the most versatile; see every width on the acrylic marker tip size chart.

Paint markers to start with

Water-based, oil-based and ink-control examples, each listing checked by hand. Browse every type on paint markers, or see the best acrylic markers.

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Questions people ask

What do you use a paint marker for?

Art on paper, black paper and canvas; painting rocks, wood and pumpkins; decorating glass, mugs, windows and shoes; lettering signs; labeling tools, metal, plastic and pipes; and touching up scratches. Water-based acrylic paint markers suit art and crafts; oil-based ones suit marking metal, glass, plastic and outdoor items.

What’s the difference between paint markers and regular markers?

Regular markers use translucent dye ink that soaks into paper and cannot cover darker colors. Paint markers hold opaque paint that sits on the surface, so a white or yellow line shows on black, and they write on glass, metal, stone and plastic. Paint markers need shaking and priming; regular markers are ready to go.

Will paint markers wash off?

It depends on the paint and the surface. Water-based acrylic paint markers wash off smooth surfaces such as glass with water while fresh, and often after drying too; on porous surfaces like paper, wood and stone they stay. Oil-based paint markers resist water on most surfaces once dry and need a solvent to remove.

Is paint marker permanent?

Oil-based paint markers are permanent on most surfaces once dry. Water-based acrylic paint markers are permanent on porous materials such as paper, wood, canvas and stone, and semi-permanent on smooth ones such as glass, metal and plastic, where they can scratch or wash off unless sealed.

What’s the difference between paint pens and markers?

The ink. A regular marker carries thin dye ink that stains the surface and stays translucent. A paint marker carries pigment paint with a binder, which dries as an opaque film on top. That makes paint markers better on dark and non-paper surfaces, and regular markers better for smooth blending on paper.

Sources

  1. Sarah Renae Clark, Ultimate Acrylic Paint Marker Comparison (March 2026)
  2. Posca FAQ (maker)

Last reviewed 2026-10-14. Specs and availability change; check the listing before you buy.