Measurement Instruction: Location and push down the paw on a piece of paper, note the size and also size of the paw as well as measure the distance. Please follow our video support thoroughly. Option Assistance: These size information are boots inside dimensions, and we advise to pick dimension according to the width. If your dimension in between 2 dimensions, please select the bigger one. Superior Product: Reflective product and skid immune style give exposure and safety and security in the evening, as well as water resistant product can keep the paws of your family pet dry in rainy day or snowy day. Comfy Wearing: Versatile lug style and grooved sole provide your dog much better control along with far better defense, and the two bolts straps make the footwear simple to put on and also take off.