No Choking, Multi-functionalThe non-pulling dog harness is specially designed to prevent your dog from choking. The size of the four positions can be adjusted to ensure that your dog feels comfortable inside and has enough room for growth. The back D-ring is perfect for casual walks, jogging and hiking. The handle makes it easy to control the dog and assist it in getting into the vehicle. It can also be used with a safety belt to secure the dog. Locked Edge Stitching, Comfortable and BreathableEach part of the dog harness light adopts reflective fabric strips for locked edge stitching, which not only reinforces the edges to avoid disconnection, but also adds aesthetics and improves the dog's visibility at night. Meanwhile, the inner side of the LED dog harness is designed with breathable holes and wrapped with soft sponge, so that the dog will not feel stuffy when wearing it and will always be comfortable Sturdy and Easy to WearLight Up Dog Vest uses Oxford cloth as the main material, the connection is made by back and forth sewing process, the main stress point is stitched back and forth many times to make the light-emitting carrier sturdy, able to withstand the dog's pulling and activities, not easy to be damaged. No matter how active your dog is, this chest harness will always remain intact. In addition, it also features buckles design, making it easier for you to wear Please Choose The Right SizePlease measure your dog's neck and chest circumference carefully S size: Suitable for neck circumference of 30-40cm and chest circumference of 40-55cm. M size: Suitable for Neck circumference of 35-50cm and chest circumference of 50-70cm. L size: Suitable for Neck circumference of 40-60cm and chest circumference of 60-90cmXL Sizesuitable for neck circumference of 45-75cm and chest circumference of 65-100cm Perfect After-Sales We provide perfect after-sales, you have any questions can ask on the platform, we will reply you within 24 hours, to provide you with the perfect shopping experience.