Bolayu Pet Dog Cat Shirts Spring Summer Small Clothes Vest T Shirt Material: Cotton. Style: Leisure. Collar: Tee. XS, Bust: 31cm/12.2", Back: 19cm/7.48", Neck: 20cm/7.87". S, Bust: 35cm/13.78", Back: 23cm/9.06", Neck: 22cm/8.66". M, Bust: 42cm/16.54", Back: 30cm/11.81", Neck: 26cm/10.24". L, Bust: 47cm/18.5", Back: 36cm/14.17", Neck: 36cm/14.17".