Description: Install on any curved car window: We have improved the suction cup, and the suction power is better than before. Two adjustable brackets can be installed on any curved window. The Brackets can be adjusted to 45 degrees. Allows you to use it on almost all vehicles. It is so easy to load the kayak by yourself: the heavy-duty suction cup is reliably mounted on the car glass, providing a quick and simple solution for a single person to load the boat on the roof. Gentle: The heavy-duty aluminum rod has a capacity of 60 pounds. During loading and unloading, the closed-cell foam gently SUPPORT the boat to prevent scratches. Versatile: Used to install kayaks and canoes on most vehicles, using suction cups on the top of the car or glass with 2 different installation angles. Clean the rear wihdshield surface with soft towel, press and mount two suction cup on rear whindshield. Size Chart: Material: Aluminum Size: approx. 47x23x11cm/18.50x9.06x4.33inch 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!