This product is so funny and it can be the costume dress of you dog and bring happiness to the whole family. <br> <br> Size Chart: <br> S: back: 10“-11" chest: 11"-12.5” neck: 9.5“-10.5” <br> M: back: 11“-12” chest: 12.5“-14” neck: 11“-12” <br> L: back: 12“-13” chest: 14.5“-15.5” neck: 1.“-14”<br> XL: back: 13.5“-14.5” chest: 15.5“-17” neck: 15“-16” <br> XXL: back: 15“-16”chest:17“-18.5” neck: 16“-17”<br> <br> Recommended Measuremet:<br> 1.Please measure your furry friend's neck side,chest size and back size; <br> 2.Chest length: Perimeter of front leg's back,measure the widest part is recommended.For pet's comfort,we recommend to leave around 0.5"-1" margin for small dogs,around 1"-2" margin for large dogs and around 1"-1.5" margin for long-haired dog. <br> 3.Back length:from neck to hip. <br> 4.If between two size,larger size and larger chest are recommended. <br> 5.Measurment by hand,margin of error may exist.<br>