RainDrop® provides gutter protection like no other gutter guard available. Every aspect of the RainDrop® Gutter Guard is essential in its goal to provide a maintenance-free & self-cleaning gutter protection system, far more advanced than anything available on the market today. The RainDrop® Gutter Guard can handle any amount of water from light rain to the worst downpours. Even high-volume valleys are no problem, which is where other gutter guards tend to struggle. RainDrop® gutter guards are made from their own unique blend of polypropylene. This special blend of polypropylene and UV stabilizers can and will withstand the harshest storms, hottest climates, and coldest seasons imaginable.