Description: 【Install on Any Curved Car Window】: The suction power is strong. Two brackets can be installed on any curved window. It allows you to use it on almost all vehicles 【It Is Easy to Load the Kayak by Yourself】: The heavy duty suction cup is reliably mounted on the auto glass, providing a quick and simple solution for a single person to load the kayak on the roof 【Strong Suction Cups】: Comes equipped with 2 strong suction cups, getting griping on both flat or curved window. The heavy duty metal rod with strong load bearing capacity. During loading and unloading, keep your kayak protected from scratches and dents 【Versatile Use】: Used to install both small and large sized kayaks and canoes on most vehicles, using suction cups on the top of the car or glass, Kayak rollers allow single people to mount a kayak to a car roof quickly and easily 【Easy to Use】: Clean the rear windshield surface with a soft towel, and press and mount two suction cups on the rear windshield. Place the bottom of the kayak in the roller foam center, and after reaching balance, slowly push the kayak Specification: Material: Alloy Size Chart: 47cm/18.50inch Package Includes: 1 Piece Kayak Roller Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!