The Invincible Marine Kayak Carrier Kit is a simple solution to tying down your kayak securely on the top of your car. Easy to install and simple to use, this kit includes two thick shaped foam blocks that provide extra protection to your kayak and vehicle. Two adjustable straps and rope firmly secure the kayak to your roof top for transportation. No need for crossbars or permanently mounted large carriers on your vehicle’s roof. This kayak travel kit fits most vehicles and kayaks.