The 2017 DeMarini CF Green Zen 30/25 (-5) CB5-17 USSSA baseball bat is a high-quality, 2-piece carbon composite bat designed for youth players. With a 2 5/8 inch barrel diameter and a balanced swing weight, this bat offers a sweet spot for optimal performance on the field. The green color and DeMarini branding add a stylish touch to this official USSSA-approved bat, making it a popular choice for young baseball players looking to enhance their game.