Fresh Patch Mini under 5kg The Fresh Patch Small is 400mm x 300mm and is designed for pets weighing less than 5KGs. The standard Fresh Patch combines living grass and a disposable container in a completely disposable and replaceable unit.  When the package arrives simply remove the lid and place the product where you want your pet to go. Fresh Patch Small 5-kg to 12kg The Fresh Patch Small is 400mm x 600mm and is designed for pets weighing less than 12 KGs. The standard Fresh Patch combines living grass and a disposable container in a completely disposable and replaceable unit.  When the package arrives simply remove the lid and place the product where you want your pet to go. Fresh Patch Large over 12kg The Fresh Patch Large is 600mm x 1200mm and is designed for pets weighing more than 12KGs. The Fresh Patch Large does not come with a disposable cardboard tray. We recommend purchasing one of the Large dog Trays.