[ DOG BOOTS INSOLE DIMENSION ] – Size 1: 1”(L) x 3/4”(W) for 1-3lbs, Size 2: 1-3/16”(L) x 1”(W)for 2-4lbs, Size 3: 1-3/8”(L) x 1-3/16”(W) for 3-6lbs, Size 4 : 1-9/16”(L) x 1-3/8”(W) for 5-7lbs, Size 5 : 1-3/4”(L) x 1-1/2”(W) for 6-11lbs, Size 6 : 2”(L) x 1-5/8”(W) 10-17lbs, Size 7 : 2-3/16”(L) x 1-7/8”(W) for 15-25lbs, Size 8 : 2-1/2”(L) x 2”(W) for 25-35lbs. Please follow size chart to choose correct boots for your dogs. | [ WINTER DOG BOOTIES ] - 4 Pack shoes sold together, made of soft PU leather material, anti-slip rubber soles let your puppy moves freely and safely in outside/inside activities, durable paw protectors can keep them warm, dry and comfort in cold weather. | [ EASY TO WEAR CUTE & DURABLE ] - Our Dog pet shoes are lightweight, look cute and could be easily put on/off, protect against heat pavement/sand and keep cold/snow away, secure clean paws all season around. Adjustable Velcro straps ensure a tight fit, so these running shoes for dogs doesn’t get kicked out. | [ DESIGN FOR COMFORT & PROTECTION ] – WINSOON Dog Boots are fleece lined, conform to its natural paw shape, and provide a natural feeling of traction for your pup. Dogs will feel safer and being protected with our shoes on. | [ GREAT GIFT FOR DOG LOVERS ] – Fashionable puppy shoes is so useful when walking the dog. For perfect fit, keeps the paws flat to fully opened, then measure from the bottom of the big heel pad to the tip of the longest toe nail. If the paw is in-between two sizes, choose the larger size.