CHOKE FREE REFLECTIVE STEP IN ULTRA HARNESS SKY BLUE ALL SIZES AMERICAN RIVER Doggie Design is the FIRST and ONLY company in the world to create this Exciting New Neon Sport Harness Design The New "TOP STITCH" Harnesses feature 7 Brand New Brilliant Colors that are the first of their kind This Step in Mesh Choke Free Design in REINFORCED large dog sizes, up to size XXXL (approx 90 Lbs.) CERTIFIED Break Strength Tested to 386 Lbs, by an International Independent Testing Laboratory DIMENSIONS SIZE X-LARGE (Chest 21-24) IMPORTANT: Measure the CHEST only, just behind the front legs. If your dog is on the borderline between sizes, always GO DOWN to the lower size, not up.