Bells of Steel Rubber Crumb Filler

Crumb rubber is less dense than sand, which provides a softer landing if you drop your bag and prevents the filler from shifting as much during movement. It is an excellent choice if you want a more consistent weight distribution and a slightly more forgiving feel during lifts.

Crumb rubber has approximately 40% of the weight density of sand. If you fill a bag that is rated for 100 lbs of sand, it will hold roughly 40 lbs of this rubber crumb.

Yes, this filler is compatible with most fitness sandbags. However, because it is less dense than sand, you should ensure your bag's internal liner is secure to prevent any leakage of the 1-3mm granules.

The 1-3mm crumb size is relatively coarse, so it is less likely to leak than fine sand. As long as your sandbag has high-quality, double-sealed closures or an internal liner, it should remain securely contained.

No, this is a low-maintenance, inert material. Once it is inside your sandbag, it requires no special care or cleaning.