Insulated waterproof interior. Semi-rigid bottom. Custom 840D Nylon TPU laminate. Adjustable shoulder strap doubles as an under seat tie down strap. Front and back pockets. Welded seams. Four Heavy-duty D rings. Adjustable loops for quick mounting. YKK zippers with T-handle pulls. Reflective Ciro logo. Holds 32 12 oz. cans. Universal fit, recommended for luggage rack or passenger seat.