Our Double Keder features two keder cords, welded in keder fabric, which can then connect two keder rails together. Most commonly used in RV, camper vehicle, motorhome, canopies, and retractable awning shade applications with 7.5mm PVC Double Keder Rail Strip or 7.5mm PVC Double Rail. Available in all of our Keder Fabrics, with select options available as custom orders. Always… Made In House. Call (888) 727-7050 or Contact Us for a Quote on bulk purchase options