Outfit your semi truck to be Ready for the Road Ahead with a secure swing door, with the Advanced Plastic 1/2" x 168" Super Light Duty Swing Door Seal. With a tight-fitting design, this replacement seal is the ideal option to keep a swing door securely closed. Fashioned with super seal technology to be airtight, waterproof, and weather resistant. FleetPride is your First Click in Heavy Duty.