YAODHAOD This boot is made of oxford,the lining is soft and suitable for claws.the flexible sole is made of soft granules,the soft fabric inside keeps your dog warm and keeps the dog's paws clean, dry and safe.suitable for indoor activities of dogs, daily walks, trips or injured paws.It is also the best gift for your cute dog, it will like you more.<br> Size<br> Size----Paw length(inches)-------Width(inches)-------Recommended weight（lb）<br> Number 2-------1.1(3cm)--------------0.9(2.5cm)--------------4-10lb<br> Number 4-------1.3(3.5cm)--------------1.1(3cm)--------------10-17lb<br> Number 6------1.8(4.5cm)--------------1.3(3.5cm)--------------17-23lb<br> Why should dogs wear shoes? <br> 1.Outdoors protect dog paws . When you go out in the summer, the ground temperature is too high, which can easily burn your dog's feet and cause your dog's heat <br> 2.Dog's feet are not frostbite in winter. When the temperature is too low in winter, it is easy to freeze to the soles of dogs. Wear shoes to protect the feet. <br> 3.Indoor protection furniture. can prevent dogs from scratching wooden furniture and floor, causing scratches on the floor.