This Attwood Canoe Car-Top Carrier Kit has everything needed to secure a canoe to the roof of a car for sure transport. This kit includes 4 supporting foam blocks that snap onto boat's gunwale and help prevent scratches on the car top. Also included is 20 feet of durable polypropylene rope and S-hooks, all of which can be used to secure the bow and stern to the car's bumpers. There are also 2 sturdy poly web straps with adjustable buckles and vinyl-coated clips to secure the canoe to the roof. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.