Cando Deluxe ABS Inflatable Ball 85cm (33.5 ) Blue Lamps Infrared Some Polar products also estimate Style:1 Pair (Left & Right) Some Polar products also estimate the fat burning percentage (fat% on display) that is kilocalories expended from fat during a workout which is expressed as a percentage of the total kilocalories burned speed elapsed time calories distance and scan of all functions * Adjustable base for stability and storage * Small portable and lightweight * Uses two 1 Made with a vinyl that is specially formulated to release air slowly if a sharp object like a pen or pencil accidentally punctures the ball * Non slip surface is ribbed for extra security * Mottled color differentiates it from standard balls * Can support up to 600 pounds (272kg) * Comes in a polybag *