There's no need to stop the match just because the sun's gone down! Keep the game going into the night with the Tangle NightBalls. These out-this-world balls will light up the night with 170 000 bright blinks per LED light module and up to 300 hours of glowing play. These superstar balls are water resistant, float and are constructed in durable thermoplastic rubber for easy grip and high performance. Use them in your backyard , in the park or anywhere it's dark!