NEW Polyethylene Lightweight Reversible Bubble Window Well Cover 42 in. x 15 in.  The MacCourt 42 in. x 17 in. Circular and Rectangular Plastic Window Well Cover is manufactured from plastic. It is durable. The cover is designed to be placed over your window well to prevent animals, debris, leaves, rain and snow from entering your window well. The cover helps improve insulation for your basement. It allows light to enter your basement window. Helps keep window well free of debris and other unwanted elements Plastic material for durability Helps improve basement insulation Helps save energy Allows light to enter basement window Dimensions Product Depth (in.) 17 in Product Height (in.) 15 in Product Length (in.) 42 in Thickness (in.) .06 Details Material Plastic Product Weight (lb.) 1.96 lb Returnable 30-Day Weight Capacity (lb.) 0