Lifeful&reg; Spring Breathable Nonslip Sports Shoes for Large Dog, Black Upper, Water-Proof and Dust-Proof, Size XXL, Set of 4 Upper is made of well breathable black fabric, with soft lining, skid-proof and water-proof thermal plastic rubber sole. A full zipper makes very easy to put on the shoes, fastened in place firmly by Velcro strap. Light shoes and solid sewing, suitable for dogs activities in any season, especially in spring and autumn. Comfortable, practical and durable to wear, dust-proof, protect paws against hurt from asphalt, grass, sand, rocks, salt, ice, and mud. Measurement of Size XXL: Inner Sole Length 3.35 Inch, Inner Sole Width 2.95 Inch, a set of 4 shoes, comes with Lifeful unique hang-tag and reusable bag as packing.