Hello there, the Undercover Tonneau Covers UnderCover Swing Case Storage Box will work if I have a bed liner and the swing case has a lock. one of the best in the market. Shop with us anytime, on your schedule. Browse 4WheelParts.com, call our customer service center, or come visit us in one of our stores. You can even save on shipping costs by shopping online and picking your order up in a store. No matter which method you prefer, we’re ready to help with excellent parts, advice, and service.