Ideal for core exercise, cross-fit, group exercise, resistance training, sports training and so much more. Perfect for boosting traditional strength training exercises and for those who want more sand-shifting options. Waterproof and highly resistant to dirt, mildew, oil, salt, chemicals and UV rays. Strength Package includes 1 strength shell, 2 filler bags (each holds up to 40 lbs.), a DVD with 6 workouts, an instruction booklet and an exercise wall chart. Sand not included.
Features :
Ideal for core exercise, cross-fit, group exercise, resistance training, sports training and so much more. Perfect for boosting traditional strength training exercises and for those who want more sand-shifting options. Waterproof and highly resistant to dirt, mildew, oil, salt, chemicals and UV rays. Strength Package includes 1 strength shell, 2 filler bags (each holds up to 40 lbs.), a DVD with 6 workouts, an instruction booklet and an exercise wall chart. Sand not included.
Features :