Size Matters: Always measure your pet before purchasing. If the leg width is between two sizes, choose the larger size. Contains 4 dog socks made of stretchy cotton fabric. 3X GRIP: The high-performance grip is designed to provide reliable traction even if the socks twist while your dog is wearing them, making them the perfect non-slip sock for senior, active dogs. Senior Dogs: Specifically designed for owners of older pets. Maximum traction on hardwood floors and other smooth surfaces makes them the perfect sock for dogs with mobility and joint issues. Velcro Strap: Easy to attach, provides comfort, stability, and support for mobility. The buttonless design prevents chafing on the dog and allows for comfortable, unrestricted movement. Versatile: Suitable for large dogs, small dogs, and senior dogs, these socks provide paw protection in the summer and protect your dog's paws from hot asphalt, heat, and other potential hazards.