Large Door Draft Stopper for Bottom of Doors 36 Inch Under Door Draft Noise Blocker Black Gap, BlackSuperior Foam Size 2 Inch Diameter Foam: Larger than most competitors, our foam effectively covers door gaps from 0. 5" to 1. 7", providing excellent insulation and protection. Multi Functionality Weather Protection: Blocks out cold air during winter months, helping to keep your home warm and reducing energy costs. Noise Reduction: Acts as an outstanding noise reduction tool, creating a quieter and more peaceful indoor environment. Light and Odor