Size Back Length Chest Neck XXS 9.1" 13.8" 13" XS 9.8" 15" 13.4" S 10.6" 16.5" 13.8" M 11.8" 18.5" 14.2" L 13.8" 20.9" 15" XL 15.7" 23.2" 16.1" XXL 17.7" 24.8" 16.9" 1 Neck Measure the circumference of pet's neck,...

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