CFF Wall Ball/Slam Ball, 30-Pound CFF-FIT Synthetic Leather Wall Slam Ball was built to endure the harshest Crossfit and MMA WOD The CFF-FIT Wall Slam Ball is the Next Generation of the 14" medicine balls commonly used in Crossfit's, personal training studios The Wall Ball has been a staple in Crossfit and MMA style training for years; helping athletes build power Called a Cornerstone movement of Crossfit (Crossfit Journal), wall ball is a great all around conditioning movement and has been part a WOD Some features include: Quality is second to none Rated (5 Star) by Crossfit Boxes around the World 14 lbs. 14" Wall Ball