The GloMaster is a battery powered glow-in-the-dark footbag (hacky sack) with an injection molded latex cover, plastic pellet filler, led light, and miniture on/off switch. This break-through footbag for night time players is unique, durable, washable, and great for any level of player. The latex cover is a translucent and the internal led light is red. Replacable battery lasts for more than 80 hours of kicking in the dark. *Color combinations will NOT vary.