Adjustable dog harness features padded design with breathable mesh fabric, strong velcro straps with buckle and heavy-duty metal rings for easy and safe dog leash attachment. Effortlessly slip this mesh dog harness on and off your pup with adjustable design that fits better than traditional dog vest harnesses, without tugging and pulling on your pup's neck. Dog harness no-pull was designed to fit most breeds of dogs. Please refer to our sizing chart and choose a larger size if your dog is between sizes. X-small: fits 11 - 12 in chest, 9 - 10 in neck. Small: fits 14 - 15 in chest, 11 - 12 in neck. Medium: fits 16 - 17 in chest, 11 - 12 in neck. Large: fits 18 - 19 in chest, 14 - 17 in neck. X-large: fits 20 in-23 in chest, 18 in-22 in neck. At Downtown Pet Supplies, we've been making our own products for years. Why does that matter? We stand behind our products! As a result, our customers have given us over 100,000 5-star reviews. We are proud pet owners first and business owners second. We understand that a pet is a family member and that means they should be cared for, trained and pampered with the best pet supplies out there. Our goal is to provide you with our “Best Value.” Excellent quality at an affordable price with the best possible service. That’s why our products typically cost a bit less than the other guys. Think of us as your personal shoppers. We won't be content till you are 100% satisfied with all your purchases. If you bring it home and it isn't perfect, we'll send you a new one immediately, no questions asked! We stand behind our returns policy.