Product size:
S: Back Length: 25CM / 9.5 inch, Chest Girth: 40CM / 15.7 inch, Neck Girth:28CM / 11.0 inch,Weight: 1-3KG / 2.2-6.6 Ibs

M: Back Length: 28CM / 10.2 inch, ChestGirth: 44CM / 18.1 inch, Neck Girth:33CM / 13.0 inch,Weight: 3-4KG / 6.6-8.8 Ibs

L: Back Length: 31CM / 11.8 inch, Chest Girth : 50CM / 20.5 inch, Neck Girth:37CM / 14.6 inch,Weight: 4-6KG / 8.8-13.2 Ibs

XL: Back Length: 35CM / 13.8 inch, Chest Girth : 56CM / 22.8 inch,Neck Girth:41CM / 16.1 inch,Weight: 7-9KG / 15.4-19.8 Ibs

XXL: Back Length: 40CM / 15.7 inch, Chest Girth: 62CM / 25.6 inch, Neck Girth:45CM / 17.7 inch,Weight: 9-11KG / 19.8-24.2 Ibs

XXXL: Back Length: 49CM / 18.1 inch, Chest Girth: 70CM / 18.3 inch, Neck Girth:50CM / 19.7 inch,Weight: 11-18KG / 24.2-39.6 Ibs

4XL: Back Length: 56CM / 22.1 inch, Chest Girth: 76CM / 33.1 inch, Neck Girth:57CM / 22.4 inch,Weight: 18-21KG / 41.8-46.3 Ibs

5XL:Back Length: 67CM / 22.1 inch, Chest Girth: 84CM / 33.1 inch, Neck Girth:62CM / 24.41 inch,Weight: 22-25KG / 48.5-55.12 Ibs