OTR.970 is ultra permanent alcohol-based superior ink. This legendary ink is the nightmare of cleaning crews. Optimized for the OTR.070 & OTR.071Hard to Buff Marker and the ON THE RUN Soultip™ squeeze markers, OTR.970 works perfectly with a wide variety of painting and writing instruments.
Multi-purpose use! For indoor & outdoor use. Works on paper, metal, plastic, glass, and stone. Can be used on canvas, walls, mixed media, and many other surfaces. Best on smooth and dust-free surfaces!
Use the OTR.970 HARD TO BUFF INK with alcohol-based ink markers, pump action valve markers, brushes, air brushes, or any mob & squeeze marker etc.
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