Led nylon webbing dog collars are mainly made of nylon, to ensure strong pulling force, ups to 200lbs. With reflective stitching, even the collar is power off, meet car light or flashlight also have reflection effect to protect dog from dangers. Latest dog collar with Led screen, controlled by mobile APP, you can type words you want to show on the collar. Led tube dog collars are more likely as a decoration and night safety product for dogs, has no D-ring to connect with leash. Support cut freely to fit different dog sizes. Waterproof rate ups to IP45, and one ups to IP67, swimming is available. Recently we launch RGB colorful version collar, 450mAh large battery capacity, more than 3 flashing modes, so cool at night.