It took a couple times on measuring, but she's a puppy, it's the smallest one they have! It's a game changer, she can go outside and have fun now, without worrying that she not going to poke her last eye! It's a little big, but when it falls off, we clean it off and put right back on! She was wearing a cone 24-7! She eats so much better and more water! I highly recommend this, if you have a dog with any eye conditions! I also have a Shitzu Facebook group, They wanted this site, right away after ...