Hurtta Active Dog Harness NO TWO DOGS ARE THE SAME - Dont guess on the size. Use the size chart along with the Measuring Your Dog size guide. The chest measurement is the most important for harnesses FAST & EASY  Harness can be put on your dog without having to lift any legs because buckles are located on both sides ADJUSTABLE - The fully adjustable collar and chest strap ensure a perfect fit. The buckles are above the padding for extra comfort VISIBLE  Large 3M reflectors placed in strategic locations drastically improve visibility in the dark SAFETY - The back is equipped with a sturdy handle which gives you better control of your dog in emergencies & you can run a seatbelt through the handle in the car for travel safety