RACKTIME PANNIER MIA SINGLE GN/GYA closure system consisting of an authentic leather strap with an aluminium hook meets water repellent high tech fabric and sophisticated racktime bag design Features include a small and large internal pocket, lateral stow away strap pockets with reflective elements, and an internal liner with single hand draw cord closure Attaches via Racktime`s adjustable aluminum hook system compatible with most pannier compatible racks