1.Maximum Kayak Protection: Maximum protection for kayaks and stand-up paddle boards thanks to the oversized, thick and all-weather rubber saddles and padded upright, which can stop the kayak from rubbing and getting damaged effectively, that is the Best-in-Class TopGuard padding. 2.Universal and Easy Mounting Design: This J-Cradle accommodates kayaks up to 42" wide and 72 kg/158 lbs, fits to round, square and the most oval shaped factory installed cross rails quickly and easily, and this kit includes everything you need to transport two kayak vertically on the roof of your car, bow-stern safety tie-downs and two 25×2800 mm heavy-duty straps with a break strength of 750 lbs are also included. 3.Not for A Single Use: Made from high quality anodized Aviation Grade Aluminum Alloys, lightweight, durable and rust-resistant, that can be really water-proof and anti-corrosion for longer time, which means you can reuse it every year, save your money and save the world. 4.Quick Raise and Fold Design: Come with quick fold down design, which can be quickly raise or fold when not in use using the convenient front release handle to increase the overhead clearance, and the J-bars can also be easily locked at different angles with this handle to suit different shapes of kayaks. 5.Multiple Carrying Functions Design: Carry up to two kayaks or standup paddle boards due to the multiple position design and the oversized padding and acrylic fabric sleeves that transforms from a J-cradle to different configurations to maximize your roof space. The Native Paddle Holders comes standard of, which can help you perfectly position your paddles while transporting kayaks.