Ultimate Sandbags are not "just sandbags"!
USB is a functional training tool that can more efficiently relieve pain, improve body composition, and improve performance.It is used in military facilities, professional athletes, and athletic facilities in more than 80 countries around the world. And has been featured in many training magazines.
Ultimate Sandbag is:
- 30% more durable than other brands on the market.
- Has water resistance.
- High resistance to dirt, mold, oil, salt, chemicals and ultraviolet rays.
- Military grade skin-friendly smooth material is used.
- Double structure with feeler bag that does not leak sand or water.
- Sweat and dirt can be easily wiped off and used cleanly.
- 7 rubber handles that are easy to hold and use (5 handles for strength bags).
- By changing the handle used, and changing the holding position and body position, more than 400 types of dynamic exercise can be progressive.
| Variables | USB Core | USB Power | USB Strength | USB Burly |
| Load Handling Range | 2.5 to 9kg | 4.5 to 18kg | 9 to 36kg | 27 to 69kg |
| Target | Female beginner/Corrective exercise | Female intermediate/Male beginner | Female advanced/Male intermediate to advanced | Female advanced/ Male intermediate to advanced |
| Colour | Black (Green handles) | Black (Blue handles) | Black (Red handles) | Black(Grey handles) |
| Shell Size | 48cm x 18cm | 48cm x 23cm | 69cm to 25cm | 69cm x 33cm |
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