One OLO half marker contains 2 ml of ink for extended use
Double-ended design allows combining any two half markers for a total of 4 ml of ink
Customizable by pairing any two ink colors and selecting preferred nibs
Compatible with all OLO nibs for versatile crafting
Complimentary connector ring included with any two half markers
Summarized by Shop
BG1.4 Robin's Egg is 1 of 96 NEW OLO colors released in 2026, expanding the OLO color system to 256 total colors.
Half-markers: One OLO half-marker has 2ml of ink and delivers over 97% more usable ink than traditional alcohol markers. Use an OLO Connector Ring to combine any two half-markers for a double-ended marker with a total of 4ml o
