Sandbag Training Workout Universal Fillers – Can be Filled with Either Sand or Water. Multiple Sizes – XXL, XL, Large, Medium, Small – Guaranteed not to Leak

Price: $27.95
(as of Feb 01, 2026 12:26:58 UTC – Details)

Product description

Tired of Sand Dust puffing up in your face? Maybe it’s time to check out our next generation of Sandbag Fillers. The Iron Core Athletics family of Universal fillers are constructed of premium grade vinyl with a robust 3/4″ fill spout that seals using a two cap system to eliminate any type of leaking. Fill with Sand, Water, Rice, Gravel, whatever you want, these will not leak !

Available in Four Different Sizes :

19″ Long Tubes19″ x 4″ – weighs 20lb when filled with Sand and 15lb when filled with water19″ x 7″ – weighs 40lb when filled with Sand and 30lb when filled with water27″ Long Tubes27″ x 9″ – weighs 60lb when filled with Sand and 45lb when filled with water27″ x 11″ – weighs 80lb when filled with Sand and 60lb when filled with water

Leak Proof Filler Tubes

Iron Core Athletics Sandbag Fillers

Fill with Sand, Rice or WaterNo leaks or Sand Dust4 sizes to choose fromFrom 15lb – 80lb when filledDoes not come with Sand or Water

Four Different Sizes

Made of Industrial Strength VinylStrong enough for standalone useVarious configurations availableBulk order discounts

27″ Tubes for Large Outer Bags

27″ x 9″ x 6″Fills to 60lb with sand and 45lb with water27″ x 11″ x 7″Fills to 80lb with sand and 60lb with water

19″ Tubes for Medium Outer Bags

19″ x 4″ x 3″Fills to 20lb with sand and 15lb with water19″ x 7″ x 7″Fills to 40lb with sand and 30lb with water

Preparation will save you some frustration

All Iron Core Athletics Universal Filler Tubes are capable of being used with Sand, Rice or Water.

For Water — Outside, any garden hose will do. Inside, bathtubs are easier than sinks.For Other — We recommend you get a funnel with a 3/4″ outlet diameter.See our videos for demonstrations on how to quickly fill the tubes.

The Benefits of Water

Water is a good choice for Portability as well as adding instability for core muscle work

Should you choose Sand or Water ?Sand is heavier, less inclined to shiftMuch harder to fill, recommend fill once, use manyWater, while lighter, adds the dynamic of instabilityFills and empties in seconds making it very portableRice is also an option for manyAbout the same weight as water, stability makes it good for beginnersLess messy than sand but we still recommend a funnel

3/4″ Filler Tube Opening allows for hose or large 3/4″ funnel

Two cap design eliminates leaking and annoying sand dust

Outer Cap screws on and off to provide a watertight sealInner cap pries out and adds a second level of protectionLarge fill spout allows for quick filling and emptying

One Each of – 80lb, 60lb, and 20lb Universal Fillers for Sandbag Training
Made of Industrial Strength Vinyl – Completely Leak Proof
Works with Sandbag Outer Shells from Various Manufacturers
Large Filler – Can hold 80lbs of Sand — Medium Filler – Can hold 60lbs of Sand –Small Filler – Can hold 20lbs of Sand
All Iron Core Athletics Universal Fillers come with an unconditional Two Year Warranty