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Crumb Rubber Filling for Fitness Sandbags The Valor Fitness RC-25, Rubber Crumbs are just what you need to enhance your sandbags. They provide a much more efficient way to workout...


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Availability: 322 In Stock
Sku: RC-25
Product Type: Weight Lifting

Crumb Rubber Filling for Fitness Sandbags

The Valor Fitness RC-25, Rubber Crumbs are just what you need to enhance your sandbags. They provide a much more efficient way to workout as they are easier and more comfortable to use. The shape and material of the rubber crumbs prevents the crumbs for pouring out from small holes and they are dispersed more evenly throughout the sandbag making them much easier to handle. These are by far a better alternative to sand.

Ideal for cross-training sandbag workouts at home or competitions.

Features and Benefits

  • MATERIAL- Recycled rubber crumbs bag filler; a better alternative to filling your bag with sand.
  • CLEANER & SAFER – Unlike sand, these soft rubber crumbs do not form dust. No more coughing up dust while using the bag. These crumbs are a much cleaner and safer option.
  • COMFORTABLE – The fine grain ensures the granulate feels comfortable during your workout even in a heavily loaded bag. It will not sink or droop like sand, making handling much easier.
  • LONG LASTING – This rubber material spreads throughout the bag much more evenly than sand applying less pressure to the bag. They also eliminate the issue of losing weight in the bag when tiny holes form in the bag over time and sand pours out.
  • ADDITIONAL- Size: 1-3mm. Can load into all bags. 25lb of rubber. 1-year warranty.


SKU Product Name Shipping Weight (lbs) Box Length (in) Box Width (in) Box Height (in)
RC-25 Rubber Crumb Filling 25 18 16 7

Some of our most asked questions.


Ask a Question
  • If I wanted to make a 75lb sandbag, how much crumb should I buy?

    This can be preferrence but we found that a filling a sand bag is around 40/30% rubber crumb and 60/70% sand. The sand gives it the weight while the rubber crumb is more of a filler. It depends on the size of sandbag you are filling but you would want to mix both sand and rubber crumb for a good firm sandbag.

At Valor Fitness, we take pride in our customer service and our products. If you are not fully satisfied with your purchase, please contact us within 30 days of receipt. (Please click HERE for our Return Request Form)

Customers are responsible for return shipping costs, unless deemed by Valor Fitness staff. Returns are subject to return shipping and/or restocking fees. Any parts missing from the return will result in additional fees. Any return shipping and additional fees will be deducted from your refund.

*Returns must be sent back with-in 14 days of when the labels were provided. Returns sent back outside this window will automatically be subjected to a 25% restocking fee which will be deducted from the refund.*

All returns must be new and in unused condition with original packaging.

Items not eligible for returns or exchanges:
  • Apparel
  • Clearance
  • Final Sale Items

Customers are responsible for ensuring that boxes are packaged and taped to be suitable for return transit.

Returned items will be inspected upon arrival to ensure the product is in new condition and not missing any parts.

Refunds will be applied directly to the card used at time of purchase. There is no exception. Please allow the bank 5 to 7 business days for the refund to process once the item is received.

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