If you are satisfied with our products, please give us five-star rating. Welcome to our store. I hope you have a wonderful shopping experience. Thanks! Specifications: It is the LED pet dog vest harness that is characterized by high brightness and 3 flashing modes, which enables it to illuminate at night and avoid some potential traffic dangers in the dark. There are 3 different sizes for you to choose from. Our LED dog harness has a quick-recharge capacity and a battery life of 4-6 hours after fully charged. It is made of high-quality mesh fabric material. There are steady glowing, fast-flashing and slow-flashing 3 different kinds of flashing modes. This product is perfectly suitable for dog, puppy, cat, and other medium animals. With help of this LED dog harness, it is easy and convenient for you to control and guide your pet dog, allowing you to enjoy outdoor activities with your pet dog. Item Name: Dog Harness Features: Eye-catching, Easy-wearing, High Brightness Battery Capacity: 180mAh Material : Mesh Fabric Manual : no Size Details: Size: S, Neck Circumference: 24cm/9.4", Bust: 34cm-45cm/13.4"-17.7", Back Length: 12cm/4.7" (Approx.) Size: M, Neck Circumference: 31cm/12.2", Bust: 41cm-57cm/16.1"-22.4", Back Length: 12cm/4.7" (Approx.) Size: L, Neck Circumference: 40cm/15.7", Bust: 50cm-68cm/19.7"-26.8", Back Length: 13cm/5.1" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Dog Harness(Traction Rope Not Included) 1 x USB Cable