The Fresh Patch Mini is 16" x 12" inches and recommended for dogs below 5lbs
The Fresh Patch Standard is 16" x 24" inches and is recommended for dogs below 15lbs
The Fresh Patch Large(FLAT) and Fresh Patch Large(Roll) is 24" x 24" inches and recommended for dogs between 15lb - 30s.
The Fresh Patch XL is 2' x 4' feet and is recommended for pets more than 30 lbs and for multi-pet households.
Please note that the XL and Large(Rolled) come rolled up in a box -- It does not come with a functional box (we recommend purchasing one of our custom trays).