This boot was designed by a former Nike Shoe designer and tested by the National Guide Dogs for the blind.itas a stronger, non-skid sole (as compared to Healers bootie) and the upper is a shoe mesh soitries quickly. Even though the sole is thickerits still flexible providing your pet a natural feel and movement as they walk or run. The wrap around design enables a great fIt iso the boot stays on. The hook and loop applied is high tensile strength hook that creates a firm hold even in snowy conditions.All Bowserwear products are produced in Portland, Oregon with the highest quality material. No other boot on the market compares. Urban Walkers were created to protect your pet from everyday paw injuries. An ounce of prevention can go a long way to save your pet from injury. They are great for hardwood floors, boating, hunting, and outdoor terrains.A Healthy Paw Pad is essential to a dog well being. They serve as a shock absorber, provide surface traction and insulate the dog from extreme hot and cold temperatures. Even though their pads are tough, they can still be injured. Depending on Breed, the back paws maybe One'size smaller than front paws. The non skid sole creates better traction on slippery surfaces and outdoor terrain. All Urban Walkers are machine washable. People and pet approved ? designed for and tested by the National guide Dogs for the blind. Breathable fabric-dries quickly and allows airflow to prevent odor and bacteria build up Lightweight material that allows the petnatural motion and feel Wide strap which spreads tension so blood flow in not restricted, reducing the risk of injury Patent pending gripper lining mesh and high tensile strength hook and loop fasteners for secure fit, holds boot in place and prevents twisting. Extra Small (Toys, Maltese): 1.8" paws, 0-30 lbs.