Felt pen having two end caps

A felt pen, comprising a bar-shaped hollow body;

• an ink-impregnated sponge supported within said body, said body having two opposite ends;
• two writing tips mounted at said opposite ends, respectively, in said body;
• and two caps detachably-attachable to said body at said opposite ends, respectively to close the respective tips, said body having an outer shape, said shape being defined by a linear line and a taper line merging into said linear line, said linear line defining a first grip portion of said body and said taper line defining a second grip portion of said body, one of said writing tips being of a larger size and of a square cross-section and another of said writing tips being of a smaller size and of a round cross-section, said caps having each an end surface so that when the cap is attached to said body the latter can stand on the end surface of the respective cap, one of said caps being of a larger outer diameter and another of said caps being of a smaller outer diameter, one of said caps being formed with one groove and another of said caps being formed with another groove, the cap of the smaller outer diameter being adapted to be mounted on the cap of the larger outer diameter such that said another cap is partially inserted into the respective groove of said one cap, the cap of the larger outer diameter being adapted to be mounted on the cap of the smaller outer diameter.