1, Boot upper is made of water resistant fabric, with soft lining inside, very comfortable for paws, suitable for dogs' daily walking, hiking and travel.

2, Skid-proof and flexible soles, capable to provide traction and well protect dogs' paws from pavement, grass, tile, deck, boat, winter salt, snow, ice, indoor hardwood floors and other surfaces, also provide traction for dogs' walking or running.

3, Easy and quick to put on, but difficult to slip off if they fit. Closure control by a wide, elastic and adjustable strap, which also can be reflective at night

4, Practicable Reference Size of Large: Inner Sole Length 3.15 Inch, Inner Sole Width 2.83 Inch. Allowance Error: 0.11 - 0.20 Inch. One set of 4 boots

5, 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 Large: Inner Sole Length 3.15 Inch, Inner Sole Width 2.83 Inch. Lonsuneer dog boots are reliable paw protectors for dogs, flexible, lightweight, sturdy and hand washable, capable to protect paws indoors and outdoors. Please measure across the whole paw pad to get the measure of paw width and 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, because there may be water seepage through sewing needle holes when soak in water.