SIZE GUIDE: X-Small (Back:9.8''), Small (Back:12.2''), Medium (Back:14.6''), Large (Back:16.9''), X-Large (Back:20.5''), XX-Large (Back:24'') Please prioritize BACK LENGTH LONG SLEEVE DOG ONESIE: This suit can cover most of the dog's hair and prevent the hair from falling everywhere, keep you room clean whether indoors or outdoor. Also prevent pets from licking wounds, skin conditions, hot spots and allergies RECOVERY SHIRT FOR NEUTERING OR SPAYING: The button design is convenient for pets to put on and take off, and we use the high quality button which is not easy to break. It will not stick to the dog’s hair and can extend the use of dog recovery suit cycle ABDOMINAL ROUND DESIGN: This creative design aims to protect the dog’s belly. To easy the process of defecation for male dog which you can cut the round cloth along with the side imaginary line CONE ALTERNATIVE AFTER SURGERY: Wearing this recovery shirt on, more comfortable than he/she is in a cone while eating, sleeping and walking around, perfect alternative to the E-collar that he/she has to wear on head Dog surgery recovery suit