Service Dog in Training mesh Vest Harness Cool Comfort. Purchase Comes with 2 Reflective Service Dog in Training Removable Patches. Please Measure Your Dog Before Ordering 2 Free Removable Reflective Patches one for each side of Harness D- ring on top makes it easy to attach your leash 2 Adjustable Straps for premium & custom fit Lightweight & Breathable material with Reflective Stripe on each side Side quick release buckle makes it easy to put on and take off