[HARNESS IS ESSENTIAL!] Research shows that regular exercise, outdoor play are good way to keep your dog active, satisfied and well behaved. Then a suitable harness is essential ! [MOST IMPORTANT FEATURES] 1. 2 Leash Attachment hooks Our these two hooks are available for almost all leash hooks. They are big enough. If you use the front hook on the chest, it will reduce the pulling a lot and make going for a walk more enjoyable. As usual, most people like to use the back hook. 2. Reflective The reflective material will be really nice when it gets dark. Also, your dog will be saw easily.This reflective material can make drivers have long time to react, which ensure your dog?s safety! 3. 4 Adjustable Clips 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. 4. No Need Wash 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.) [HOW TO CHOOSE THE CORRECT SIZE? ] Measure dog?s Chest Girth as the chest girth is the main reference If between sizes, please choose the larger size. XS -- Neck: 8 - 11?? , Chest: 11 - 22?? S -- Neck: 12 - 18?? , Chest: 14 - 24?? M -- Neck: 13 - 20?? , Chest: 16 - 29?? L -- Neck: 16 - 23?? , Chest: 18 - 36?? XL -- Neck: 23 - 37?? , Chest: 22 - 41?? THE BACK LENGTH (THE TOP STRAP THAT CONTACTS THE NECK TO THE CHEST STRAP) : XS : 4.13 inch S : 4.33 inch M: 5.51 inch L : 5.90 inch XL: 6.89 inch Click the Add to Cart Button Now!