With the POSCA PC-8K paint marker metallic blue you can draw thick lines and color large surfaces easily. The wide, slanted, chisel-shaped tip of 8mm is designed for large-format creations. This can be done on both porous and smooth surfaces. The Metallic Blue Brush Marker is odourless, fully opaque and water based.
Edding 143B OHP green marker.
Overhead projector marker, permanent, smudge-resistant, water-resistant for transparent plastic films, glass and plastic. Chisel tip that makes a 1mm to 3mm wide mark.