Specifications Configuration: single-hole

INK and can easily be refilled through the back of the marker

in a storage box

until you are able to put together complicated words and messages

bleeds into porous surfaces for a deeper

kaco pure biodegradable soft touch gel pen 0 5 mm 4 set black Sabe Specifications Configuration: single-holeEnvironmentally friendly pens where the pen itself is made of 100% biodegradable material. Of course, you can also purchase refills for the pens. We love sketching and drawing with these pens; the tip is 0. 5 mm wide, and the black ink glides smoothly on paper and dries quickly. In this pack, you get four pens, all filled with black ink. See our full range of KACO products here.