Malone Auto Racks Stax Pro Universal Car Rack Folding Kayak Carrier Stacking kayak carrier with cushioned protection and fold-down technology 2 foam stacker blocks hold kayak during loading and transport 2 bow and stern safety tie-downs and pair of 12-foot cam buckle straps Universal-fit Jawz hardware fits round, square, and most factory oval crossbars Folds down when not in use; stacks up to 2 kayaks with additional accessories