This tank is awesome and stylish! Easy to put on and comfortable to your little baby. Perfect for every day walk and weekend party.Try one on your doggie today! Sizing: Size Medium best fits neck girth: 12", breast girth: 14", and body length: 11". Sizing for each dog is unique. We highly recommend you measure your pet precisely with a flexible tape measure to ensure the best fit. Contact us if you have question. We are happy to help.Alfie is a registered trademark and is exclusively distributed by Petoga Couture. Alfie trademark is protected by US Trademark Law. Use is strictly prohibited. Other seller offerings are counterfeits, they will not be identical to what is advertised here. Petoga Couture ship from US thru Amazon therefore all orders with them are eligible for FREE Super Saver Shipping and Prime Shipping Upgrade.