White faux fur coats
Singe it. Pull out a few hair fibers and light them on fire with a match or lighter. Natural fur will not light or hold a flame, it will simply crumble or disintegrate. White faux fur coats because it is made of petroleum or plastics will often hold a flam like a match and melt quickly forming hard plastic beads on the ends of the fibers. There will also be a bad chemical smell. genuine fur will smell like burnt human hair.