Casual Canine 14 to 20-Inch Nylon Reflective Neoprene Dog Collar, Bluebird Reflective neoprene dog collar is completely water-resistant The reflective neoprene lights up brightly in headlights or flashlights Fits 14-20-inch dogs neck Made of 100-percent nylon and available in bluebird color Measures 5/8-inch width collar