Thumb Score: +9 Amazon [amazon.com] has 2-Pack Gorilla Waterproof Patch & Seal Tape (4" x 10' Black) for $17. Shipping is free w/ Prime or on $35+. Product Description from Amazon[LIST][*]Gorilla Waterproof Patch & Seal flexible tape creates a permanent bond that instantly seals out air, water and moisture[*]Gorilla Waterproof Patch & Seal flexible tape works on indoor or outdoor repairs and even under water[*]Gorilla Waterproof Patch & Seal flexible tape has an extra thick adhesive layer and UV resistant backing