The Calcutta Universal Cooler Cart Wheel Kit is made for easy installation and quickly transforms most brands of high-performance coolers from unmovable to mobile. It's perfect for use on your next weekend adventure, tailgate party or fishing trip. The kit includes two 7 inch never-flat tires, rubber cushions to protect your cooler and all the necessary hardware. Install in minutes and best of all, no more asking your friends for a help carrying your cooler.