Sunward Hot Styles Pet Puppy Summer Shirt Small Dog Cat Pet Clothes Vest T Shirt Size XS:Neck: 18cm/7.09"; Back Length:19cm/7.48" Bust: 30cm/11.81" Size S: Neck: 22cm/8.66"; Back Length:24cm/9.45" Bust:36cm/14.17" Size M: Neck: 26cm/10.24"; Back Length:29cm/11.42" Bust:42cm/16.54" Size L: Neck: 30cm/11.81"; Back Length:34cm/13.39" Bust:48cm/18.9" Suitable for summer,Spring.Suitable for small dog.1inch=2.54cm