About this item FUNCTIONAL TRAINING: Not intended for slamming exercise, this extremely versatile, premium JFIT Soft Wall Ball can be used for multiple workout goals, with use in strength training and plyometric exercises, burpees, crunches, and beyond DURABLE CONSTRUCTION: Premium heavy-duty vinyl coated shell, has been laser cut, double stitched, and hand stuffed to maintain balance and keep shape, while featuring a non-slip grip making it easy to hold during your sweat session MULTI-PURPOSE TOOL: Use this quality wall ball for more than just your workout by stretching and rolling out tight and sore muscle fibers using your weight and gravity against the surface area of the ball to release tension IMPROVE ENDURANCE: Excellent for men and women looking to increase core strength, improve stabilization, and muscle density, press through your next wall squat while maintaining a steady grip during your exercise routine PERFECT SIZE: All sizes have a 14” diameter, except the 4LB ball which has a 9” diameter, allowing you to add variety and challenge yourself with our premium wall balls that are balance tested, with even weight distribution