Although it's a new, unused item, there seems to be a slight blackening on the inside. It's not very noticeable. This half-check collar is carefully made one by one in Japan by skilled craftsmen. The collar is made by the same craftsmen who sew bags for a famous brand, so the quality is outstanding. SM size. 30 to 40cm. Pink camo. Training collar. Logo is a reflective reflector. Cushioned collar.