The GlowStreak LED Ball is the most technologically advanced nighttime fetch ball ever made. Designed with hardcore fetch lovers in mind, the GlowStreak can hold up to the best arm or ball launchers out there. This robust rubber ball is tooth, hand and launcher friendly. It's protected inner core contains an advanced motion activated LED module with bright LEDs (red or color-changing Disc-O), and it turns on with a simple bounce. It's that easy! It also features an auto shut-off function after