Staedler

These water-soluble overhead-projection pens work well with the mats. The black, blue, and green colors are the best regarding being removed with water.

6 Pack Staedtler Lumocolor Water Based Overhead Projection Markers; Medium Point (1.0 mm), water soluble markers; 6-pack – 1 each red – blue – green – black – brown – orange; Packing Case also serves as a stand

Single Water Soluble Marker: Black