Retractable whiteboard marker without cap for one-handed use, for marking and writing on whiteboards, also suitable for presentation easels. Writing is dry wipe on virtually all non-porous surfaces such as enamel and melamine. The bullet tip provides a line width of 1.5 to 3 mm. The sealing technology prevents the marker from drying out when the tip is retracted. The whiteboard marker ink is lightfast and dries quickly. The product is refillable with edding RBTK 25 refill ink. No added butyl acetate.