Kittyrama Reflective Ninjacat Charm - Reflective, Safe, High Visibility Kittyrama's reflective cat charms reflect light when light is directed at them (like reflective strips on clothing do). The cat charms hang from the collar, providing additional safety versus reflective cat collars alone, which could get covered by fur in the neck. These reflective cat charms are Lightweight, Waterproof, Easy to Clean and Easy to Spot.