Nite Ize Glowstreak LED Ball (Disc-O) - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available.
The GlowStreak's ultra-bright color-changing LED core is bounce activated, waterproof, slobber-proof, and includes replaceable batteries. It's ideal for the ball-obsessed dog who wants to play fetch all day--and night.
