


Dynamat Xtreme Bulk PackThe Dynamat Xtreme Bulk Pack is a black, lightweight, sound deadening material that can be used on its own or in conjunction with our various underfelt kits. Each pack includes nine sheets with each one measuring 18" x 32" and is 1. 7mm thick. These sound deadening sheets are easy to use with their peel back self adhesive backing so you can take off the protective layer and shape them straight onto the contours of the metalwork of your classic car in
Quick Dispatch:
Your Dynamat Xtreme Bulk Pack orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Dynamat Xtreme Bulk Pack ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Product Reviews
★★★★★ 5
They bounce and float
Size: 4.5"(Large Dog), Color: Set of 6
Perfect size for my 65 pound doggie. They bounce just right, float, and they have a good squeak. The spikes are larger than those from other brands, not an issue for me, but the only sign difference I could see.
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Spiked Ball = No Slime!! ☺️
Size: 2.5" (Small Dog), Color: Blue+Orange+Green
You will lose these balls before your dog could destroy them. Very sturdy for the price. The spikey ball style means your hands won’t get slimed when your dog drools on the ball playing fetch. Great fun colors.
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Reviewed in the United States on March 28, 2026
★★★★★ 4
Durable but to hard to chew to make squeak.
Size: 2.5" (Small Dog), Color: Pink+Red+Yellow
Nice and squeaky but a little too hard for my 25# Cockers to chew on...may be the spikes.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Used for tense muscles
Size: 3.5" (Medium/Large Dog), Color: Set of 6
I don’t use these as dog toys. I use them as therapy balls. You place it on an area of tension and lean on it. Works like a charm to take pain away!
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Good quality
Size: 3.5" (Medium/Large Dog), Color: Set of 6
The dogs absolutely love the way they bounce and squeak
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Reviewed in the United States on April 1, 2026
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