【Unique Glow Design】：The personality baseball can glow in the dark, which is mysterious and interesting. Just expose it to a bright light source or sunlight for about ten minutes. The brighter the light is, the stronger the baseball will glow in the dark..【Brighter Luminous Effect】：The luminous baseball is designed with fluorescent material, which makes the baseball have better glowing effect without batteries. After being exposed to sunlight or other strong light for a period of time, the baseball can glow naturally in the dark for more than 4 hours continuously..【Durable PU Leather & Machine Sewing】：This glow in the dark baseball is made of environmentally friendly high-grade PU leather with nylon yarn-wrapped lining process, which feels comfortable on the feet and will maintain good elasticity and shape retention. Durable, wear-resistant, long use time, suitable for indoor and outdoor use..【Package Includes】：you will get 6 light up baseballs. Sufficient quantity can meet the entertainment needs with small partners, and can also be gifted to your friends..【Baseball Lover's Gift】：This fluorescent reflective baseball can be used for normal games or performances, it can also be used as a training ball with standard baseball one. Playing baseball is a sport that helps the development of the whole body and mind, relieves stress, develops team spirit and the courage to fight.