Bolayu Pet Dog Cat Cute Summer Princess T-shirt Clothes Vest Coat Puggy Costumes XS, Back length: 18cm, Bust: 31cm, Neck: 20cm. S, Back length: 24cm, Bust: 37cm, Neck: 25cm. M, Back length: 29cm, Bust: 43cm, Neck: 28cm. L, Back length: 36cm, Bust: 46cm, Neck: 36cm. Your pet will feel very cool and comfortable when in spring, autumn and summer.