Chuckit MAX GLOW In the Dark Ball Light Play Fetch Ball Dogs Medium Rechargeable Extend fetch time to early mornings and late nights with LIGHTPLAY fetch toys. Charge under bright light 5 to 10 minutes for 20 to 30 minutes of high-visibility lighted play. Recharge in seconds with a bright flashlight. Fast charging MAX GLOW rubber helps you and your dog track the ball in low light. Launcher compatible. MAX GLOW products are made with a safe high quality photo luminescent material that is both chemically and biologically inert.