STRONG CONSTRUCTION FOR BETTER PERFORMANCEYes4All Slam Ball is specially designed to be thrown thousands of times without any break or deformation. Engineered for intensive repetitive exercises, Yes4All sand filled ball is made of durable PVC material, which allows the ball to absorb the energy of a slam instead of bouncing or rolling away. CLEVER DESIGN FOR EFFECTIVE FITNESS WORKOUT The uniquely textured shell provides a non-slip grip for you to catch the ball easier. Unlike others, Yes4All Slam Ball features the seamless construction to prevent it from splitting over time of use. This is a perfect ball for exercises like wall slams, overhead throw, Russian twists & squats. Great tool for CrossFit workouts, personal trainers, core strengthening, sport training like boxing, wrestling, & more. WHY SHOULD YOU HAVE A SLAM BALL? Improve muscle mass Increase heart rate Burn more calories Enhance overall balance, coordination between hands & eyes SPECIFICATIONS Different Weights: 10, 15, 20 lbs. Slam Ball Super tough 9. 75$iameter shell Heavy-duty textured shell for maximum durability Durable, sand-filled no-bounce ball is ideal for Cross-fit workouts & slamming activities Perfect for total body exercise, core strength & explosive power movements INFORMATIONYes4All is confident in our high-quality products, which is why we offer 1-year and 60-day return on the product, so you can feel confident in your purchase.