Extend fetch time to early mornings and late nights with a Chuckit!? Tumble Bumper? Max Glow? fetch toy. Charge under bright light for 5 to 10 minutes for 20 to 30 minutes of high-visibility, lighted play. Max Glow products are made with a safe, high-quality photoluminescent material that is both chemically and biologically inert. Recharge in seconds with a bright flashlight. Fast charging Max Glow rubber, EVA foam, and 2100 denier polyester construction. Random bounce tumbling action will provide hours of fun for you and your pet.