Get outside and have some good, old-fashioned backyard sports fun with the Nerf 20" inch Mega Ball. This giant kid's multi-sport ball is perfect for a variety of fun outdoor sports and playground games. Play any number of classic outdoor yard games or create your very own games. With the Nerf Mega Ball, the possibilities are endless. The extra-large ball is made of a soft outer telson mesh material with inflated polyvinyl chloride core to provide some bounce with a soft feel.