Namsan Dog Shoes for Large Dogs,Waterproof and Anti Skid&Snow Dog Winter Boots For Small/Medium/Large Dog #6- 2.9"x2.5"(LxW)/ 7.5x6.4cm(LxW)-Recommended weight:75-90lbs,This shoes suit for small to large size pet, please measure and double check the size detail, our model weight 55lbs, suit for Size #4 Dog Shoes keep paws safe from heat, cold, ice, salt, stones,Suitable for outdoor walking/Running/competition/Halloween and Christmas party. Adjustable velcro, Easy to put on Recommends measuring way: Place the paw on a piece of paper, pressing gently. Mark both sides of the paw on the paper, then measure the distance between the marks. This indicates the paw width to use when ordering a size. in order to get the exact data, four of your dog's paws need to be measured, please use the longest and widest one Suggest FBA Service for you: 30 Days Money Back Guarantee And Simple return,About Delivery: FBA(Fulfillment By Amazon) can 1 day delivered,FBM(Fulfillment By Merchant) usually 7-14 days, not as Amazon shows: 14-28 working days.