Zig Posterman Waterproof Markers

These highly opaque, lightfast and waterproof chalk markers are effective on surfaces such as glass, plastic, metal, wood and stone. These liquid chalk markers produce a chalk look without a chalk mess, are valve-action and work exceptionally well on blackboards, whiteboards and polypropylene.

Available in 5 sizes: Extra Fine 0.5mm, Medium 2mm, Chisel 6mm, Broad 15mm and Biggie 50mm