Petmo Glowing LED High Visibility Reflective Comfort Mesh Dog Safety Harness High visibility LEDs can be seen up to 200 yards away to keep you and your dog safe while walking. LED has 3 modes - steady on, slow flashing and fast flashing Waterproof design, long lasting batteries and adjstable straps make this harness durable and easy to use Comes in a variety of sizes and colors to provide a truly customizable fit for your four legged friend Made of breathable yet durable soft nylon mesh to keep your dog cool and comfortable Placement of the d-ring high on the dogs back allows for optimal control without straining the neck