Infant & Toddlers Sizes. Large 18"-21" 18"-25" 40-70 lbs Australian Shepherd, Border Collie, Cocker Spaniel. X-Large 22"-24" 22"-30" 70-110 lbs Golden Retriever, Labrador Retriever, Husky. L(12-14) 301/2 " 27" 311/2 " 531/2 "-59".
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