PLEASE MEASURE YOUR DOG'S GIRTH (OVER THE BACK, UNDER THE STOMACH, BACK TO STARTING POINT) TO FIND CORRECT SIZE!! This service dog vest is a lightweight and secure way to clearly identify your dog as a service dog and avoid uncomfortable confrontations! It is bright and noticeable, with 2 clear and visible Velcros marking it as a service dog vest or harness. The vest is also reflective and makes you and your dog safer at night and in low-light situations! The vest is especially helpful in preventing unwanted petting and other distractions to your service dog, and alerts everyone nearby that your dog is legally allowed in pet-free zones. It is lightweight, dries quickly, has a handy handle, and a clip for your leash! This vest has an easy on-easy off buckle to secure the vest to your dog, and tightens and loosens easily to achieve the perfect fit. Please make sure to measure your dog carefully before choosing a size. All purchases are backed by our %100 guarantee and top notch customer service! In the box expect: Your quality service dog vest Two removable "SERVICE DOG" patches