Foam Edge Speaker Repair Kit for 15" Subwoofer, 1.5" Wide Roll (Pair) | eBay
Amazon.com: Springfield Speaker 6.5" Foam Surround Repair Kit - 2 Speaker Kit - Compatible with Several Dozen Commonly Used 6.5" Speakers of Different Brands and Models Whose Foams Match The Measurements : Electronics
12" Digital Designs Subwoofer Tall Roll Foam Speaker Repair Kit