Lowes offers Frost King 3-ft x 3-in x 4-in Beige Foam/Cloth Draft Guard Weatherstrip for $10.18 free store pickup.

Product Description:
Frost King beige cloth draft door seal is portable and easy to use. The seal is designed to be placed in front of door or window drafts to act as a weighted cloth barrier. The door seal blocks cold air from entering while keeping warm air from escaping. Beige color and piping color may vary slightly by product.