White board markers Thanks to the Cap Off technology, pen will still write even after cap off time of 3 days. Alcohol-based pigmented ink with butyl acetate additives. Acrylic ogive tip. Round tip. Cap. Line 1,5 - 3 mm. 1) edding 620: aluminum pen. color: black-blue-red sleeve 4 markers: color: black-red-blue-green 2) edding 660: plastic pen: color: black-blue-red sleeve with 4 markers: colors: black-red-blue-green drawing and accessories.