the Markal  B-1  Paintstik solid paint marker combines the durability of paint in the convenience of a crayon. The real paint formula has superior marking performance on oily, icy, wet, dry or cold surfaces and is weather- and UV-resistant. This Paintstik works on rough, rusty, smooth, or dirty surfaces. Solid paint eliminates the need for replacement tips, sharpening or priming to help increase productivity. 

SIZE;  1'' x 4-3/4''