Pet Attire Ribbon Designer Wrap Dog Harnesses feature a step-in style design for easy on and off, with luxurious nylon fabric and lightweight, breathable mesh to keep dogs nice and cool. Two D-rings and a snap-lock buckle provide extra strength and convenience. Simple step-in design for easy on and offComfortable nylon with breathable mesh keeps dogs cool2 D-rings and snap-lock buckle for strength and conveniencePet Attire Ribbon products are ideal for everyday use. Check out our whole selection of fun Pet Attire Ribbon leashes, collars, and harnesses to find the perfect fit for your dog Comfort Wrap Adjustable Dog Harness Size Guide: Small: 19-23" Girth (5/8" Straps) Medium: 22-28" Girth (3/4" Straps)