Premier, Medium, Easy Walk Harness, Designed To Gently Discourage Pulling While Walking On A Leash, Never Causes Coughing, Gagging Or Choking, Chest Strap Rests Low Across Breastbone, Easy On/Off With Quick Snap Buckles On Shoulder & Belly Straps, Adjustment Points For Maximum Comfort & Fit, For Dogs With 20"-28" Girth.