Up for sale is a new, open box Muttluks 4-Legged Nylon Reversible Dog Snow Suit, Size 26 in Yellow/Black.  The boots are sold separately.  A dog who would fit the size of this would be a Labrador, Doberman, Retriever, or Dalmatian.  This is the largest size jacket they make.  

To make sure you order the correct size:

Measure from the base of the collar to the base of the tail. Length in inches is the suggested coat size. Example: 10 inches = size 10