1. Measure your dog's chest girth using a standard measuring tape. 2. Refer to the sizing chart to find the best fit for your dog. 3. To put on the harness, have your dog step into it and then fasten

EcoBark Step in Dog Harness – Reflective Soft Luxurious Mesh Dog Harnesses for XXS, XS, Small, and Medium Dogs – Eco-Friendly Comfort Secure Halter No Pull Adjustable Pet Vest (Beige Plaid, XXXS)