Size:M | Color:Girl How to measure the dog size? Chest: measure the thickest part of the chest, add 2~3CM will be better. (Usually behind the two legs) Length: Make sure your dog stands properly, not sitting or lying. Measure along the dog’s backbone from the base of the neck to 5CM front the base of the tail. Neck: the girth of the neck, add 2~3CM will be better.Note: If your dog is a large chest, long hair, or at the high end of the size, you may order the next larger size to ensure a comfortable fit.Size Details: This dog clothes is for small toy dogs or cat under 20 pounds Size XS: Neck Girth:6-7inch/16-18cm; Chest Girth:10-11.5inch/25-29cm; Back Length:6-8inch/16-20cm; for weight 1-2 pounds/0.5-1.0 KG Size S: Neck Girth:7-8.5inch/18-22cm; Chest Girth:11-12.5inch/28-32cm; Back Length:7-8.5inch/18-22cm; for weight 2-5.5 pounds/1.0-2.5 KG Size M: Neck Girth:8-9.5inch/20-24cm; Chest Girth:14-15.5inch/36-40cm; Back Length:8.5-10inch/22-26cm; for weight 5.5-10 pounds/2.5-4.5 KG Size L: Neck Girth:9.5-11inch/24-28cm; Chest Girth:15.5-17inch/40-44cm; Back Length:10.5-12inch/27-31cm; for weight 10-14 pounds/4.5-6.5 KG Size XL: Neck Girth:11-12.5inch/28-32cm; Chest Girth:18-19.5inch/46-50cm; Back Length:12.5-14inch/32-36cm; for weight 14-18.5 pounds/6.5-8.5 KGBreed recommed: (for reference only): Teddy or Poodle Adult dogs: sometime take M, L, XL Chihuahua Adult dogs: sometime take XS, S or M Pomeranian Adult dogs: sometime take S or M Miniature Schnauzers Adult dogs: sometime take L or XLThe recommend weight is just for reference, please kindly take a measurement of your dog before buy,thanks.