Pesp Cute Little Pet Dog Puppy Rain Snow Boots Shoes Booties Candy Colors Rubber Waterproof Anti-slip The shoes use PVC environmental protection material, non-toxic, flexible and soft which can be arbitrarily curved, not hurt grinding pet foot pain. IMPORTANT: Please measure your pets feet according to the method posted in the picture before ordering: 1) Place the paw on a piece of paper and press down on the top, mimicking how the paw spreads when the dog is walking;2) Mark the left and right sides on the paper and measure the distance between the marks;3) Measure the paw Maximum length and width;4) Choose the shoes with size a little larger than paw size (around 1cm larger). Size: 1#: 3.8 x 2.8cm / 1.49 x 1.10" 2#: 4.5 x 3.5cm / 1.77 x 1.38" 3#: 5.6 x 4.4cm / 2.20 x 1.73" 4#: 7.0 x 5.5cm / 2.75 x 2.16" 5#: 8.7 x 6.7cm / 3.42 x 2.63"( Note: please measure the paw's size of your dog) Easy and comfortable to wear with the magic tape,and it is very light ,which it is more convenient for your dog. Rainproof, waterproof, anti-skid, move freely,and it will keep your pup's paws clean, dry, and safe with protection from ice and snow,rain and so on.