Fingwerk 50' D-Shape Rubber Weather Stripping Door Seal Strip $10 at Amazon (opens in new tab)

Prime members only. Amazon with Fingwerk has the Fingwerk 50\' D-Shape Rubber Weather Stripping Door Seal Strip (Black) for $10 with free shipping on $35+ or with Prime. Suitable for gaps of 1/10\" to 11/50\" (2.5 to 5.5 mm) and includes a pair of tailor scissors.