CatYou Non-skid Waterproof Dog Paw Boots, Pet Paw Protector Dog Boots for All Weather (Blue, M) M: 1.8" (Inner Sole Width) Upper is made of high quality waterproof oxford fabric, with comfy fleece fabric lining. The thermal plastic rubber soles are non- slip, flexible and extensible Protection from ice, snow, salt, lawn chemicals and hot surfaces Light boots with solid sewing, suitable for dog's daily wear in any season, especially in spring, fall and winter Size Measurement Tips: While dog is standing, measure from the front edge of the small pads to the back edge of the large pad (do not include the nails). We recommend placing the foot on a piece of paper, marking the paper at the front and back of the foot, and then measuring between marks on the paper.