$1.83? hmmm, of course they show a picture of them bright as heck, but I seriously doubt for that kind of money they're not even as bright as a candle...but I could be wrong, but I've seen more expensive glowing arm bands that were barely visible, while another person's reflective arm bands showed up better?! But for $4 plus shipping what the heck, try them, if you don't like them fasten them onto your dog's collar!