The M25 is an American copy of the Canadian C3A1 anti-personnel mine. It resembles a short, stubby carrot, typically black or khaki, but can easily be spray painted to blend into their environment.
The mine has a small pressure plate on its top surface, which is covered with a small pad of flock material that acts as camouflage. When stepped on, a spring-loaded striker snaps upward into a detonator, causing the mine to explode.