Heavy Duty Cord Draft Blocker - Save Energy - Keep The Cold Out - 36-in (Evergreen Ribbed) Polyester One of the coldest spots in many homes is by the outside door. Cold air drafts often make their way through the bottom of both front and back doors. These fleece draft blockers keep drafts from coming in and your home warm and comfortable. Can also be used on windows (check measurement of window and sill) Most customers will save at least the cost of this draft blocker in heating costs in the first year of use. Fleece exterior with heavy plush fill to keep blocker held in place. Braided handles at each end Measures 36-in x 4-in. 100% polyester; Fill: 100% polyester and pebble stones