The fuel for our MASTERPIECE-markers - alcohol-based, 100% Buff-resistant, UV resistant and weatherproof. As SpeedflowTM Buff Resist Ink in chemical black with a light copper shimmer and viscoplastic behalf and as CoversAllTM Buff Resist Ink in synthetic bitumen signal black. Perfect for quick work on large surfaces inside & outside. Available in the comfortable 250 ml safety glass bottle.