Alcohol-based formula ensures deep, glossy, and fade-resistant lines for lasting visibility
Outstanding chemical resistance allows use on concrete, metal, plastic, and painted surfaces
Hard to buff and UV resistant, making marks difficult to remove or cover
Optimized density delivers intense flow and extra-long drips for smooth writing and tagging
Available in four punchy shades for maximum coverage and high visibility
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BUFF PROOF INK 200: The Prime Mover of the BPI Line
BUFF PROOF INK 200 is the legendary formula that started the entire GROG Buff Proof Ink lineup. Designed for writers who need maximum permanence and aggressive bleed-through, this alcohol-based dye ink delivers deep, glossy marks that won’t back down. Packed in a durable shockproof 200ml