State of the art internal filler bags used in conjunction with Sandbag Training Outer Bags to add weight for workouts. Fillers are constructed of industrial strength 1000D Nylon with two stages of velcro fastening to prevent leakage. The medium bags weigh up to 30 pounds each when filled with sand and can be used with any manufacturer's outer shells. Dimensions are 27 inches long by 9 inches wide and are sized to what some manufacturer's call the "Strength or Burly" Package.
- Three Pack of Internal Medium Size Sand Fillers for Sandbag Training
- Made of Industrial Strength 1000D Nylon with double velcro seal
- Fits Medium and Large Power Bags from Various Manufacturers
- Dimensions - 27in Long x 9 inches wide -- Each Bag weighs up to 30lbs when full
- Does not ship with sand