<br><b>Waterproof Fleece Dog Vest Jackets Coat</b><br><br><b>Brand name </b>:Didog<br><br><b>SINING CHART</b><br> <br>S:Chest:12.5-17.5";Back Length:10"<br> <br>M:Chest:15-21";Back Length:12"<br> <br>L:Chest:17-23";Back Length:14"<br> <br>XL:Chest:19-24.5";Back Length:15.5"<br> <br>2XL:Chest:21.5-27.5";Back Length:18"<br> <br>3XL:Chest:24.5-30.5";Back Length:25"<br> <br>4XL:Chest:28-35.5";Back Length:27.5"<br> <br>5XL:Chest:34-41.5";Back Length:30.5"<br> <br><b>PLEASE NOTE:</b><br><br>Please make sure to measure your dog for accurate sizing before purchasing to ensure the perfect fit.<br> <br>Your baby usually wears size S doesn't mean all size S will fit him/her<br> <br><b>If any of the measurements are between two sizes,please choose the larger size</b><br>