nimble no-pull dog harness, adjustable breathable and reflective vest harness for small medium large dogs (medium, orange) nimble <b>how to choose the correct size?</b><br> step1:measure dog’s neck girth; <br> step2:measure dog’s chest girth; <br> step3:you should be able to fit two fingers under the straps; <br> compared to the size chart ,chose the right size for your dog. if between sizes, please choose the larger size. <br> <b>how to put the dog harness on?</b><br> unbuckle the chest straps and loosen the neck straps. <br> keep the logo facing up on the back, and slide your dog’s head through the neck opening. <br> adjust the 4 straps accordingly to fit your dog's body. and then buckle the chest straps up. <br> you should be able to fit two fingers between your dog and any part of the harness. <br> to extend the chest straps, hold the slider with one hand and then pull down on the strap. adjust until reduced to the required size. <br> <b>most important features:</b><br> 1. 2 leash attachment hooks</b><br> our these two hooks are available for almost all leash hooks. use the chest attachment clip to stop your dog from pulling on walks, perfect for dog training, dog behavioral control, or strong pulling dogs. the back one is great for casual walks, jogging, hiking, etc</b><br> 2. 3m reflective</b><br> the reflective material will be really nice when it gets dark. also, your dog will be saw easily. </b><br> 3. 4 adjustable clips</b><br> these four black clips are adjustable, two are on the neck and other two are on the chest. you can adjust it to the best size. </b><br> 4. no need wash</b><br> this oxford material is breathable, no need wash. you just need use a cloth to wipe it.if you really want to wash it , it had better by hand. (it also supports washing machine.) </b><br>