1,IMPROVE SKILLS: Just a few practice sessions will erase the unfamiliarity. Ball swing trainer effectively coordinates your body and arms to improve your swing and find the right spot to hit the ball as quickly as possible. 2,CORRECTION OF POSTURE: This ball swing trainer aid helps you understand how your arms and body move and corrects your swing posture in time, designed to improve your swing technique and muscle memory. 3,PREMIUM MATERIAL: The swing trainer ball is made of delicate PVC fabric, soft and comfortable to touch. With excellent airtightness, no need to worry about leakage. 4,CONVENIENT AND RELIABLE: The swing posture corrector ball features an inflatable, adjustable design that provides a convenient and effective practice solution for athletes of all skill levels. 5,ENHANCED CONFIDENCE: Forearm elbow between posture practice equipment, a reliable tool for developing consistent hitting skills. Adjustable fit and real time feedback ensure the best learning experience. Item Type: Ball Swing Trainer Material: Polyester, PVC 1 x Inflator 1 x Inflator Attachment 1 x Arm Strap 1 x Ball Swing Trainer