Your Camper includes a 28 QT cooler. This upgrade is for 
Igloo Maxcold 62 Cooler
The Igloo Maxcold Latitude 62 qt Wheeled Cooler is perfect for camping and fishing trips. It has a telescoping handle and oversized wheels for easy transport.
Dimensions: 21.17" L x 18.67" W x 20.17" H.