【PRACTICE BASEBALLS WITH CASE】The official league baseballs are made of durable synthetic leather cover, cork wood core, standard double-stitched. The high quality leather and standard 108 stitching is comfortable for grab and practice. The practice baseballs are perfect for youth/kids and game players to practice and taining. It come with a acrylic display case, durable and UV protection, can protect your baseballs well..【OFFICIAL SIZE & WEIGHT】Standard size youth baseball, circumference: 9 inches, weight: 5 oz. Players can train effectively with these standard size and weight adult baseballs. The major league baseballs are the best chioce for high school, college and coaches to practice and training. Perfect Training balls for indoor or outdoor use..【YOUTH/ADULTS BASEBALLS】The practice baseball filled with cork and rubber. Hard baseball designed for youth and adults players for recreational use, practice, training, or casual games. These high school baseballs are perfect for practice or warm up. The offical size and weight training baseball ball is perfect for league play, practice, games and competitions, it's also great for pitching, throwing, fielding and hitting practice..【UNMARKED BASEBALLS】The unmarked blank baseball design is great for you to DIY your own unique baseball, perfect for custom for autographs, logo, and ideas, it is also a perfect gift choice for youth/adult baseball leagues, children, friends and family..【Thoughtful Service】 We are determined to provide high quality baseballs for customers, if you have any questions about our hand held bidet sprayer, please feel free to contact us and we will answer you as soon as possible.