The Uni Posca Marker PC-1MR Ultra Fine has a 1 mm polyester-tip

gouache layers

sketch markers

and highly opaque

uni posca marker pc 17k extra broad 15 mm Posca Colors:06 Green The Uni Posca Marker PC-1MRThe Japanese Uni Posca markers is one of our most popular paint markers and works perfectly on everything from paper and canvas to decorations on walls, stone, wood, plastic, fabrics and metal. The markers is filled with fast drying water based opaque paint, which makes bright colors cover over the dark and vice versa. Uni Posca PC 17K is the largest marker from Posca and has a 15 mm broad fiber tip. Available in 8 different colors. Line width: 15 mm.