PETLESO Dog Shoes Dog Boots Anti Skid Winter Boots For Small/Medium/Large Pet #1- 1.7"x1.4"(LxW)/ 4.5x3.6cm(LxW) Recommended weight: 15-25lbs Please search ASIN: B00NN35JXO if your dog under 13 lbs, our model weight 55lbs, suit for Size #4 Notice:This shoes can not be bite as tools by pets 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 <span class="a-text-italic">Place the paw on a piece of paper</span>, 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&#039;s paws need to be measured, please use the longest and widest one <span class="a-text-bold">#1-</span> 1.7&#034;x1.4&#034;(LxW)/ 4.5x3.6cm(LxW) Recommended weight: 15-25lbs <span class="a-text-bold">#2-</span> 1.9&#034;x1.65&#034;(LxW)/ 5x4.2cm(LxW) Recommended weight: 25-35lbs <span class="a-text-bold">#3-</span> 2.1&#034;x1.8&#034;(LxW)/ 6.5x4.6cm(LxW) Recommended weight: 35-45lbs <span class="a-text-bold">#4-</span> 2.3&#034;x2&#034;(LxW)/ 6x5.2cm(LxW) Recommended weight: 45-60lbs <span class="a-text-bold">#5- </span>2.7&#034;x2.2&#034;(LxW)/ 7x5.8cm(LxW) Recommended weight: 60-75lbs <span class="a-text-bold">#6-</span> 2.9&#034;x2.5&#034;(LxW)/ 7.5x6.4cm(LxW) Recommended weight: 75-90lbs