Power Paws Advanced, traction socks for dogs, with reinforced toe, Black & Gray, S, fits up to 45 lbs. Traction, Mobility: Enhances freedom, movement & grip Scratch Prevention: Keep dogs nails from scratching hardwood. Outdoors: Ice, Snow & Heat protection Fashion: Cute, fun, and stylish Specialty Uses: On boats, RVs, and in moving vehicles of all types