This official Spalding 2006 Cross Traxxion NBA Game Ball is perfect for indoor basketball games. Made of composite leather material, this ball is durable and designed to last. Its orange color and vintage design add a touch of style to your game. The ball is categorized as a size 7 and is sold as a single item. It is a perfect addition to any basketball player's collection. This ball is perfect for NBA games and is a must-have for any basketball enthusiast. This is from the Palace of Auburn Hills. It was purchased at the store inside of the arena. This was not ever played with outside or inside. The Palace of Auburn Hills no longer exists.