The American River Choke Free Dog Harness is the same Patented Design as our Ultra USA Choke Free Harness, but with a few different cosmetic changes. Same color trim binding as the mesh Reflective strips for night walking Fashionable matching embroidered sewn on logo Matching Soft Cushion Grip Nylon Dog Leashes (sold separate) Choke Free Â Protects the Trachea by only pulling on the body and not the neck. Safety Â The Ultra is the perfect design for use as a Seat Belt Harness. Patented Design Double Safety Closure- Velcro and High Strength Plastic Side Release Buckle Double D-Ring for added strength Adjustable for Comfort and Size - Our Ultra Dog Harness FEATURES a 3 inch Webbing, which makes the harness adjustable. Other copy cat harnesses, have shorter webbing, but they also do not adjust) Simple and Easy Step in, Wrap Up and Close Embroidered Sewn On Logo Patch 100% SOFT MESH Polyester / Machine Wash and Line Dry Important Sizing Note: The following measurements are the dimensions of the actual product, not of the pet they fit. After measuring your pet, make sure all measurements fit within the following dimensions (with a little room to spare in the chest and neck). XX-Small Chest: 9"-11" (Most Important) Pets Weighing: 1lbs.-3lbs. X-Small Chest: 11"-13" (Most Important) Pets Weighing: 4lbs.-6lbs. Small Chest: 13"-16" (Most Important) Pets Weighing: 6lbs.-11lbs. Medium Chest: 16"-19" (Most Important) Pets Weighing: 11lbs.-16lbs. Large Chest: 19"-21" (Most Important) Pets Weighing: 16lbs.-25lbs. X-Large Chest: 21"-24" (Most Important) Pets Weighing: 20lbs.-40lbs. XX-Large Chest: 24"-28" (Most Important) Pets Weighing: 40lbs.-50lbs.