The Pro Guard Junior Sports Foam Bat is a 21" baseball bat designed specifically for youth players. Made with a foam covered plastic material, this slightly end-loaded bat is lightweight at 8 ounces, making it perfect for beginners. The black barrel diameter of 3" is ideal for hitting wiffle balls and Nerf balls, providing a comfortable grip for young athletes. With the Pro Guard brand reputation and durable construction, this bat is sure to enhance any young player's performance on the field.