Recommended weight: The boots are made of wool. The lining is soft and paw-friendly. The soft sole is made of soft particles. With good anti-slip effect, it can provide traction and protect dog’s paws from road, grass and tile floors. Injury to surfaces like patios, boats, winter salt, snow, ice, interior hardwood floors, and also provides traction or running rides. Easy to wear: easy and quick to wear, but not easy to fall off. With closed controls, a flexible and adjustable wide band and a night safety reflection, these boots are relatively flexible and roomy for a better fit. If your dog’s paws are between sizes, try using the socks from your boots if you go for larger paws. NOTE: Please note that this shoe is more suitable for indoor shoes and walking in sunny weather.