TUFF Brand Premium H dog harness size Med Dogs weighing 30 - 40 lbs (neck diameter of 13-20″ and girth diameter of 19-28″) Fully adjustable 3/4" wide harness, quick-release buckle for easy on/off! Flattened out, it has the shape of an H. The Figure-H harness loops around the pet's chest and its waist, connected by cross-bars on the pets back and under its chest. Connect a leash to the D-ring on the pet's back. Adjusts to a snug, precise fit. Was extra we had so no use and now too small $30 Firm *********************************