ETC Arid 18 Litre Waterproof Panniers have all the features to keep your kit dry in the worst of conditions. The rolltop design, welded seams and high-density waterproof materials all help to prevent water ingress. The linked quick-release fitting system aids easy attachment and removal. Key Features: 840D Nylon,Fully adjustable top and stay attachments,2 Internal Pockets,Male/Female fasteners for over the top or down the side fastening,Linked Quick Release top fasteners,Reflective Detailing,Waterproof Rating: IPX4.