The DeMarini CF Zen -10 UFX-19 USA Baseball Bat is a high-quality, youth baseball bat made from durable carbon composite material. With a sleek black design and a 2 5/8 inch barrel diameter, this 31 inch bat weighs 21 oz, making it suitable for players in the age group of youth. The balanced swing weight and USA Baseball association approval ensure that this bat is not only reliable but also meets the standards set for youth players. The CF Zen series from DeMarini is known for its quality and performance, making this bat a great choice for aspiring young baseball players.