LED Luminous + Reflective DesignBright and high-visibility LED safety vest, very suitable for pet dogs at night. The glowing vest allows you to find your dog in the dark in no time. 4 adjustable modes (flashing, constant light, changing colors and off,Make your dog clearly visible in the twilight and darkness, which can fully guarantee your dog's safety USB ChargingWith USB charging design, you can charge it on many occasions. very simple and practical. no batteries required. The micro-USB connection is supplied with the dog protective vest and can be used with all common devices. Very suitable for puppies and small dogs. Breathable comfort material The dog vest harness is made of high quality and Durable nylon material, high-density, soft, breathable and wear-resistant, comfortable and can prevent chewing or tearing. Vest is very light, and it does not affect your pet to play, make it more comfortable to be more comfortable. Easy to Wear and AdjustThe vest has an adjustable design that adjusts the size of the neck and Chest can adjust to provide maximum comfort for pets. With adjustable chest strap and the buckle, it is easier and faster for dogs to put on and take off. Perfect for Daily Walking, Walking, Jogging, Hiking, Exercising, etc Choose the Right SizeTo ensure the safety and comfort of your pets, refer to our size chart to choose the best fitting harness to find BEFORE you order for your pet. A gift for your pet dog. Show them your love and concern, increase the emotion between you two.