Package Include 6 Discs Characteristics -Color:Assorted Color softball pitching training -Material:PE pitcher training aid -Size:27.00X27.00X2.20cm/10.61X10.61X0.86 - Every detail is carefully crafted, experience the high durability and practicality pitching skill trainer. - Double sides polishing, good hand feeling and rich in adhesion Excellent mobility, this pitcher training disc can meet the principle of fluid dynamic pitching technique trainer. - Simple in structure, easy to use, not easy to deform, you can use it with confidence softball throwing disc. - Portable disc helps you your skills from the comfort of your home, office, park and the club softball pitching release point aid. - With its ability to teach proper rotating mechanics for rises, drops, screws, change-ups, and hand tosses, this training aid is a good item for anyone looking to their game pitching mechanics tool.Goods Descriptionpitching development tool If you are looking for a professional softball pitcher disc, then your research is over here.pitching practice disc That's because our softball pitcher disc can meet your need.pitching endurance tool Adopted of PE material, and for long time use, not easy to get deformed and bring you much convenience