Perman 2016 Fashion Summer Cute Small Dog Pet Vest Puppy Printed Cotton T Shirt New Material: Cotton. Gender: Unisex. Elastic sleeveless pets dog vest. Perfect for walking, jogging. Keeps pet safe and easy to spot. Size: XS. Bust: 30cm/11.81". Neck: 23cm/9.06". Length: 19cm/7.48". Size: S. Bust: 34cm/13.39". Neck: 28cm/11.02". Length: 23cm/9.06". Size: M. Bust: 40cm/15.75". Neck: 32cm/12.6". Length: 29cm/11.42". Size: L. Bust: 45cm/17.72". Neck: 35cm/13.78". Length: 33cm/12.99". All dimensions are measured by hand, there may be 2-3cm deviations,thanks for your understanding.