Size: Size 1: (1.5'x1.1')(L*W) for 2-4 lbs. Size 2: (1.7'x1.3')(L*W) for 4-7 lbs. Size 3: (1.8'x1.4')(L*W) for 7-12 lbs. Size 4: (1.9'x1.5')(L*W) for 12-16 lbs. Size 5: (2.2'x1.7')(L*W) for 16-21 lbs. Suitable for small puppies such as Samoyed, Poodle, Husky, Chow Chow, etc. Please refer to the size chart image to choose the correct size for a comfortable fit. Professional: Made with high-quality fabrics and a breathable mesh design to keep your dog's paws cool and protected. Features a soft OX tendon sole with shock absorption for stability, making walking, running, and hiking comfortable. Comfortable: Soft and breathable material that protects paws in various conditions. Suitable for indoor and outdoor use in hot and dry environments. Helps protect against sharp thorns, hot pavement, stones, glass, and other hazards. Thickened sole helps prevent paws from getting wet when stepping in puddles. Safe and Adjustable: Easy to put on and take off. Securely fastened with two adjustable straps for small and medium sizes, designed to prevent slipping and provide a customized, secure fit. For best results, tighten the straps after putting the shoes on your dog to help prevent them from coming off.