Size:Medium product includes: a pet costume (not include other accessory) size S(#10), belly(circumference): 42-47cm, length: 25cm size M(#12), belly(circumference): 47-57cm, length: 29cm size L(#14), belly(circumference): 55-65cm, length: 33cm size XL(#16), belly(circumference): 62-68cm, length: 37cm