A non-permanent sharpie marker is not waterproof and will bleed upon the slightest contact with water. Since sharpies require special conditions to be fully waterproof and might not stand water in other situations, you can conclude that Sharpies are more accurately described as water-repellant than waterproof.

Are Sharpies waterproof outdoor?

A permanent marker is a felt tip pen using indelible ink that writes on most surfaces, even glass or polished surfaces. The ink in permanent markers is waterproof and cannot be washed off with water.

What markers are water proof?

• Sharpie Non-Washable Quick-Drying Waterproof Permanent Marker, Super Fine Tip, Red, pk of 12. …
• Sharpie 18pk Permanent Markers Assorted Tips Pastel Multicolored. …
• Sharpie 8pk Permanent Markera Twin Tip Multicolored. …
• Sharpie 12pk Permanent Markers Mystic Gems Fine Tip Multicolored.