Use This guideline to choose the right sizing for your personal Pet. Evaluate throughout widest part of the paw when bearing weight. If between dimensions, dimensions down. Canine may have much larger entrance paws than rear paws - measure all paws. My Puppy loves these booties and After i see https://www.wanderlustprogear.com/products/4pcs-set-waterproof-pet-dog-shoes-anti-slip-rain-boots-for-small-cat-dogs-foot-cover-footwear-puppy-booties-pet-paw-accessories