LED light glows and flashes in darkness. Whether you walk your dog at or after dusk or before dawn, the two of you will be vividly visible to traffic. Made from weatherproof vinyl. D-ring on top to attach leash. Control button on top of harness gives the option of flashing or solid lights. USB rechargeable. For larger dogs 50-60 pounds. Adjustable with a girth of up to 32 inches. Model Dixie is not included.