posca PC-5M Water-Based Paint Markers, Ruby Red 3-Pack — Reversible Medium Tip (1.8–2.5mm), Opaque Quick-Dry Ink

These are POSCA PC-5M water-based paint markers in Ruby Red, a three-pack of reversible medium tips (approx. 1.8–2.5mm) made for strong, opaque colour on more than 50 surfaces.

POSCA’s PC-5M markers combine a water-based, low-odour pigment ink with a reversible medium bullet tip so you can switch between consistent lines and broader strokes without changing tools. The ink lays down vivid, non-toxic colour that dries quickly, stays permanent on porous materials, and can be removed from many non-porous surfaces. They’re compact enough for handheld control and robust enough for craft, school and professional applications.

What makes the PC-5M reversible tip useful for drawing and decorating?

The reversible tip gives two useful widths in one marker: a controlled bullet point for lines and detail, and a slightly broader orientation when used at a different angle. That flexibility speeds workflow and reduces the number of tools you need on the table.

• Reversible tip spans roughly 1.2–2.5mm for fine lines to mid-width fills
• Bullet shape provides steady ink flow and accurate control
• Switch angles for quick shifts between outlining and filling
• Consistent colour output from cap to tip for uniform results

Which surfaces can I use these Ruby Red markers on?

POSCA PC-5M markers are formulated to work across a wide variety of materials, making them a dependable choice for mixed-media projects. They adhere well to porous surfaces and create bright, opaque strokes on non-porous materials as well.

• Porous: paper, cardboard, wood — ink becomes permanent
• Non-porous: glass, metal, plastic, ceramic — bold marks that often erase from smooth surfaces
• Also suitable for leather, fabric accents and painted surfaces
• Outdoor-friendly once fully dry, for signage and decorative touches

How does the ink perform in terms of opacity, drying and permanence?

The pigment ink is designed for high opacity and quick drying so colours appear bright and don’t smear under normal handling. On porous materials the colour bonds to the surface for lasting results; on many non-porous substrates, marks can be cleaned off when desired.

• Vivid, opaque pigment gives solid coverage even on dark backgrounds
• Fast-drying formula minimizes smudging during projects
• Permanent on porous materials; removable from many smooth surfaces
• Water-based and low-odour for indoor use and shared spaces

How should I care for and store POSCA PC-5M markers to keep them working?

Proper storage and occasional tip care will extend marker life and keep the reversible tip responsive. Store horizontally when not in use, recap firmly, and gently shake before priming to maintain a balanced pigment flow.

• Store capped and horizontally to keep ink distributed evenly
• Shake marker well and press tip to prime before first use or after long storage
• Replace cap securely after each use to prevent drying
• Clean tip gently if paint builds up to preserve stroke quality

Who this is for: artists, crafters, educators and hobbyists who need a reliable medium-width marker with bright, opaque colour and multi-surface versatility. The PC-5M ruby red three-pack suits anyone working on signs, mixed-media artwork, school projects, home décor accents or product labeling who values a quick-drying, low-odour pigment and the convenience of a reversible tip.