Mosunx(TM) Summer Small Dog Cat Pet Clothes T Shirt Apparel Clothes Dog Rule Vest * Asian XS : Back length :18cm/7.09" ; Bust :31cm/12.2" ; Neck : 21cm/8.27" * Asian S : Back length :23cm/9.06"; Bust :36cm/14.17"; Neck : 25cm/9.84" * Asian M : Back length :30cm/11.81"; Bust : 44cm/17.32"; Neck :29cm/11.42" * Asian L : Back length :36cm/14.17" ; Bust :47cm/18.5"; Neck :34cm/13.39"