Practicable Reference Size of Medium: L 2.56" x W 2.56". Lonsuneer soft dog boots are reliable paw protectors for dogs, capable to protect paws indoor and outdoor, and also suitable for bandages. The boots are comfortable, flexible, lightweight and hand washable. Suitable for Boston Terrier, Labrador, Golden Retriever, Poodle, Boxer, German Shepherd, Border Collie, Doberman, Beagle, Spaniel, Cocker, Bulldog, Hound, Akita, Rottweiler etc. Please measure across the whole paw pad to get the measure of paw Width and paw Length. These Boots are relatively flexible and roomy, so a snug fit is better. If your dog's paws are in between 2 sizes and if you've chosen the larger one, you could kindly try to use socks for dog inside the boots and then the boots may stay on better. Kindly Attention: Though the soles are waterproof, the boots can't be applied in deep water or in heavy rains, because there may be water seepage through sewing needle holes or through mesh fabric.These boots are relatively flexible and roomy, so a snug fit is better. If dog's paws are in between 2 sizes and if you've chosen the larger one, you could try to use socks for dog inside the boots. Practicable Reference Size of M: Inner Sole Length 2.56 Inch, Inner Sole Width 2.56 Inch. Allowance Error: 0.11 - 0.20 Inch. One set of 4 boots. Easy and quick to put on, but difficult to slip off if they fit. Closure control by a wide, elastic and adjustable strap. Nonslip and soft soles, well protect dogs' paws on summer hot pavement, grass, tile, deck, boat, winter salt, ice, indoor hardwood floors and other surfaces, also provide traction for dogs' walking and running. Upper is made of breathable mesh fabric, firmly hemmed by soft durable cloth around, with flexible cuffs at the top, capable to keep debris out, and make paws comfortable, cool and dry, suiatble for dog's swimming, walking, and also good for bandages and injured paws.Best Sellers Rank: See Top 100 in Pet Supplies. Closure Type: By elastic and adjustable strap. Color: Blue. Material: Mesh fabric. Size: Medium - Inner Sole Width 2.56 Inch. Brand: LONSUNEER. : B06XTDDRXS. Manufacturer: Lifeful. Date First Available: March 20, 2017. Item model number: CTX-13-gouxie-1-lanM. Product Dimensions: 7.7 x 5 x 1.3 inches; 3.99 Ounces. Is Discontinued By Manufacturer: No.