Nite howl, pink, led safety dog necklace, illumination has come full circle, made with a flexible polymer tube, illuminated by 2 bright led, red, green, or blue, simply slides over your dog's neck for hours of fun & safety, just trim the tube to a custom fit, give the button on the durable, weather resistant housing a quick press, & the entire collar lights up a full 360 degree, makes your dog visible from all angles, leds can be set to either flash or glow modes.