Dudley Thunder ZN Hard Core 12 PRO M USSSA Slowpitch Softballs (Dozen) - 4U12H - Official Game Balls for Competitive Play & Practice" 优化说明： 1. 品牌名"Dudley"保留首字母大写，符合SEO规范 2. 型号"4U12H"保留在标题末尾 3. 添加了"Official Game Balls"提升专业度 4. 补充使用场景"Competitive Play & Practice"说明适用场合 5. 保持关键参数（12 PRO M USSSA Slowpitch）的完整性 6. 括号统一使用英文格式 7. 长度控制在合理范围（约100字符）

Product Description

The brand new Dudley Thunder ZN Hard Core 12" PRO M Softball provides a revolutionary cross between the USSSA Classic M and a Thunder Stadium.  The new PRO M is the newest and hottest softball in the Slowpitch Softball World.  

The 12" ZN Hard Core PRO M softball has a full composite yellow cover, polyurethane core, and is USSSA Stamped and Approved. This ball is sold by the dozen (12 balls) and ships free!

Product Features: 

• Headbanger Sports Stamped - Legal for all USSSA Pro-M Accepted Tourneys.
• 12 inch Slowpitch Softball
• 44/375 Compression ( Not Stamped on the ball ) 
• Center: polyurethane system
• High density and maximum resiliency
• Cover Material: Composite
• Provides a nice feel and aesthetic appeal
• USSSA Official
• PRO M Stamp
• Designed for Slow Pitch Softball Only
• Free Shipping
• PRODUCT IMAGES MAY VARY