Adopting of reinforced Oxford cloth and PU material, which is solid and durable. Multifunctional training tool, allows you to perform numerous training exercises for the upper and lower body. There are 4 filling bags in the shell, each filled with 10 pounds of sand. ( 10- 40lb, not included the sand ). With the help of sandbag training auxiliary tool, you can increase your overall strength, stability and endurance. You can swing, lift, squat, stabilize it, and perform almost anything else.
Outdoor Weightlifting Sandbag Adjustable Weight for Muscle Training Equipment Power Sport - URTEMGEO