Size Chart #6 - 2.48’’ in Width, 3’’ in Length #7 - 2.67’’ in Width, 3.11’’ in Length #8 - 2.9’’ in Width, 3.3’’ in Length 2 Pairs of Anti-Slip Dog Socks Please measure the size of your dog's paw size before purchase. Recommended measurement method: 1. Prepare a piece of paper, a pen, and a ruler 2. While your dog is standing, place your dog's foot on a piece of paper 3. Trace the shape of the dog's foot with a pen 4. Use a ruler to measure the size of the dog's foot on the paper