Trail Seal - tailgate gap gasket
Buy Now: TrailSeal Tailgate Seal for Tonneau Cover
The Access TrailSeal comes in a roll with pre-applied 3M adhesive. Just cut it to the right length for your truck, peel off the adhesive strip backing, and press it into place. The TrailSeal will go across the bottom of the truck bed and all the way up both sides to completely seal the tailgate gap.