LOVELONGLONG BRAND LOVELONGLONG is a new brand focus on pet clothing. We stand by high quality with a lifetime on all of our products that assures that the workmanship is top notch and that they are completely free of manufacturing defects. In all ways, we put our customers needs first and foremost in our business practices. We continue to provide our customers with first class service and products, providing your pets more comfortable experience. SIZE CHART Inches XS - Back length 10-12, Chest 10-14, Neck 8-10 S - Back length 12-14, Chest 12-16, Neck 9-11.5 M - Back length 14-16.5, Chest 14-19, Neck 10-13 L - Back length 16.5-19, Chest 17-22, Neck 11-15 XL - Back length 19-22, Chest 19-25, Neck 13-17 XXL - Back length 22-25, Chest 22-28, Neck 15-20 3XL - Back length 25-28, Chest 24-32, Neck 17-23 4XL - Back length 28-31, Chest 28-37, Neck 19-26 5XL - Back length 31-34, Chest 31-41, Neck 21-29 B-S - Back length 13-15, Chest 18-24, Neck 14-18 B-M - Back length 15.5-18, Chest 22-28, Neck 16-21 B-L - Back length 18-21, Chest 26-32, Neck 18-24 D-S - Back length 16-19, Chest 16-23, Neck 12-16 D-M - Back length 19-22, Chest 19-26, Neck 14-19 D-L - Back length 22-25, Chest 22-29, Neck 16-21