- Available in 6, 8, 10, 15, 20, 25, 30, 40 & 50 lbs
- Textured tread surface for slip-resistant grip
- Ultra-durable rubber shell withstands heavy use
- Bounce-resistant construction for maximum effectiveness
- One-year warranty
TRX Slam Balls are filled with sand to retain it's shape, weight and sturdiness. Pumping air through the nozzle will damage the ball.