Sandbag Training Workout Universal Fillers &ndash; These can be filled with either Sand or Water. Three Sizes &ndash; Large (80lb Capacity), Medium (60lb Capacity), Small (25lb Capacity) &ndash; Guaranteed not to leak Two Small Size Universal Fillers for Sandbag Training Made of Industrial Strength Vinyl - Completely Leak Proof Fits Medium and Large Power Bags from Various Manufacturers Dimensions - 19"L x 4"W x 3"H -- Each bag weighs up to 20lbs when filled with Sand or 15lbs when filled with Water All Iron Core Athletics Universal Fillers come with an unconditional 2 Year Warranty