Elastolin is a trademark used by the German company O&M Hausser (O&M Haußer) for the toy soldiers and other types of figures it manufactured from composite material and later from plastic.
Read more about Elastolin: Heer, Kriegsmarine, Luftwaffe, Paramilitary, Personality Figures, Foreign (auslander) Forces, Other Hausser-Elastolin Figures From The 1930s, Post-World War II Production