Amazon has 2-Pack Duck Brand Heavy-Duty Self Adhesive Weatherstrip Seal for $5.65. Shipping is free with Prime or on order over $25.
Product Details:
- Self-adhesive, durable EPDM rubber seal
- Seals the perimeter of outside doors
- Can also be used on windows
- Will not freeze or crack in temperatures down to -40 F
- 10-year guarantee