?????Size Instruction?Dog vest harnesses are available in S, M, L, and XL 4 sizes for your choice. Ideal for professional K9 training hiking walking for German dogs, Shepherds, Labrador Retrievers etc. Large neck girth:18""-29"", chest girth:28""-41"". Please choose right size base on size chart. We provides a 30 DAYS free replacement or FULL refund, any questions, please feel free to contact us and we will help you within 24 hours | ?????High-quality Military-standard Materials?WINGOIN medium tactical dog harness is made of military nylon and adopts an upper and lower two-layer structure. The outer camouflage pattern is 1000D nylon with sturdy stitching for extra durability,and the inner layer is a mesh material with excellent breathable,comfortable fit and no harm to dog.Ideal for professionally K9 training hiking walking for German dogs, Shepherds, Doberman pinschers,Retrievers, Labrador Retrievers etc | ?????FAST WEARING?The no pull dog harness medium with unique 4 quick-release buckles design which allows you to put it on from the side of the dogàneck instead of the head. This way of dressing can reduce the dog's resistance effectively, helping you to put it on or take it off quickly | ?????2 D-rings & Sturdy Handle,EASY CONTROL?2 stainless steel D-rings,allow you to control the puller with few effort and training your dog to walk beside you.Dog harness with handle sewn tough,large enough to grab the harness.Three perfect combination of use,not only slow down the impact of the dog's running,but also make it easier for the owner to control the pet's running and walking | ?????Reflective Strip Design?The dog walking harness has a unique reflective strip design, which can alert pedestrians and vehicles when walking your dog in the evening, keeping your dog safe