Bolayu New Fashion Summer Cute Pet Dog Vest Puppy Printed Cotton T Shirt Material: Cotton. Elastic sleeveless pets dog vest. XS, Bust: 30cm/11.81", Neck: 23cm/9.06", Length: 19cm/7.48". S, Bust: 34cm/13.39", Neck: 28cm/11.02", Length: 23cm/9.06". M, Bust: 40cm/15.75", Neck: 32cm/12.6", Length: 29cm/11.42". L, Bust: 45cm/17.72", Neck: 35cm/13.78", Length: 33cm/12.99".