The SL-12 softball produced by Sports is surface-treated with pvc. The SL-12 softball can be used for fast pitch. It is recommended to use it as a league ball for members of society and as a practice ball for elite players. The SL-12 softball has undergone rigorous sports quality testing. Experience Unmatched Durability: SL-12 Softballs 6 Pack is made to withstand the toughest hits, ensuring long-lasting performance and durability game after game. Superior Quality Softballs: Crafted with precision and high-quality materials, these softballs deliver consistent performance and reliable flight, giving you the edge on the field. Perfect for Gifting: Whether you're looking for a thoughtful gift for a softball player or a team, these softballs make an excellent choice, combining practicality and enjoyment. Enjoy a Soft and Responsive Feel: The SL-12 Softballs provide a comfortable grip and a responsive feel, allowing players to confidently swing, pitch, and catch with precision. Elevate Your Game: With these premium softballs, you can take your game to the next level, enhancing your performance and enjoyment on the diamond.