Pesp&reg; Breathable Lovely Polka Dot Design Pet Dog Soft Mesh Vest Harness Set Dog Chest Vest with Leash Durable, it own high quality materials for long lasting use. The durable canvas outer lining and mesh inner lining feel so soft. Hug your dog with this comfortable, durable dog harness! The collar sometimes causes strains in your dog's neck and trachea. ##S: Body Length: 11cm/4.3Inch, Neck: 24.5cm/9.6Inch, Chest Girth: 31.5-43cm/12.4-16.9Inch##M: Body Length: 12cm/4.7Inch, Neck: 28.5cm/11.2Inch, Chest Girth: 36-51cm/14.1-20Inch##L: Body Length: 13cm/5.1Inch, Neck: 37cm/14.5Inch, Chest Girth: 46.5-65cm/18.3-25.6Inch