A Round Tire Can't Seal Against a Flat Wall!

​Secure Gravel Bags fit snug where tires can’t reach and provide an effective seal against bunker walls.  Replace tires entirely when used with the Secure Covers System, or use to seal the bunker edge when used with only a bunker cover.   

Cover your silage easier and with less manpower! ​​

• Helps prevent wind from blowing under the plastic at the feeding edge
• Creates a tight seal along your bunker wall
• Secures Bag Armour® and Bale Armour®
• Use with Secure Covers for the ultimate silage protection

Secure Gravel Bags are made from the same woven polyethylene material as Secure Covers.  Designed for easy handling, they are approximately 3' long, and come in two handle styles to suit you.  Secure Gravel Bags are easy to stack on a pallet and freely drain water when filled with the recommended 3/4" pea gravel/stone.  Filled weight of 30-35 pounds.

Over 19 Years of Proven Durability!

Interested in purchasing Secure Gravel Bags?
Find your local dealer below or purchase online!

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Handle styles to suit your needs!

Standard End Handle

Double Side Handle*

*Double Side Handle Secure Gravel Bags are recommended for any hanging application.

Grommets  and 
Snap Links 

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It sure saved a lot of time instead of lugging those tires all around.  When it is windy the gravel bags seem to hold the cover down better than the tires did.  My three grandchildren had fun filling up the gravel bags.  The green color makes the bunker look nicer and neater!" 
Dennis in Minnesota

Filling Instructions

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Find out more about Secure Covers on the Secure Covers home page.

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