HUNTER Flashlight Cat Collars are reflective and ideal for use on darker days and nights. The elastic nylon material has a reflective thread making the collar visible in the darkest of lights. Flexible nylon with reflective weaving Includes bell on D-Ring Nickel-plated metal parts Fully adjustable length over a slider Practical push-fit clasp The elastic nylon material has a reflective thread, making the collar visible in the darkest of lights. When fitting a cat collar, please ensure you can slip two fingers between your cat and the collar for safety and comfort.