Casual Canine Nylon Reflective Neoprene Dog Collar, 18 to 26-Inch, Bluebird Reflective neoprene dog collar is completely water-resistant The reflective neoprene lights up brightly in headlights or flashlights Fits 18-26-inch dogs neck Made of 100 percent nylon and available in bluebird color Measures 1-inch width collar