Winter Dog Shoes Plush Dog Booties Cute Ear Decoration Paw Protectors For Outdoor Walking Anti-slip Dog Shoes For Small For DogsSize Inner width (m) Inner length (m) Recommended weight 1 # 2. 8 3. 5 Within 3 kg 2 # 3. 3 4. 0 Within 5 kg 3 # 3. 8 4. 3 Within 7. 5 kg 4 # 4. 3 4. 8 Within 10 kg 5 # 4. 8 5. 3 Within 12. 5 kg Reminder: The above dimensions are all measured manually, and there may be certain vector errors, please understand.