Leaf Relief gutter guards are completely weather and pest-resistant. Mounts securely and stays firmly in place to resist high winds, heavy amounts of snow and ice, ladder damage, and pest invasion. Fits standard 5" gutters. No need for heavy tools. No lifting shingles, which could void your roof warranty. Mounts directly to the gutter. Engineered for easy snap on application. Patented Aluma-Perf technology keeps leaves, needles, seeds, and twigs out, and off, in normal wind conditions. Sturdy aluminum construction. White. 5" W. x 3' L.