Nite dawg, gray, led collar cover, durable, weather resistant & lightweight, super low profile, flexible led illuminated strip fits comfortably over almost any dog's collar & closes securely with 2 micro hook & loop tabs, bright, light-transmitting polymer core is illuminated by a super efficient red led bulb with 2 mode settings: flash & steady glow, housed in a high quality thermal plastic urethane exterior, visible up to 1,000' in the dark, powered by a long life, easily replaceable battery, included, decorative paw prints that provide passive reflectivity for visibility even when not illuminated.