1/2" x 12-18", Step In Dog Harness, Reflective Green-Diamond Pattern, Non-Restrictive, Wraparound Design Removes Pressure From Throat Area, Easy On & Off, Adjustable Sternum Strap Ensures Perfect Fit, Lead Is Attached To Both D-Rings, Not Recommended For Tie Out, Recommended For Puppies & Small Dogs Up To 20 LB, Guaranteed Even If Chewed.