Berol Handwriting Pen Black (Pack of 42) 2066664A handwriting pen for kids which provides control for early writers! The marker pen has a thick round shape that is easy to hold and a durable tip, with a medium tip for a 0. 7mm line width. The ink is bold and clearly visible on the page, making it perfect for kids to trace and practice letters. Washable ink will wash out of most fabrics and porous surfaces. This handy tub containing 42 black pens. Handwriting pen designed specifically for school