The Lezyne M Caddy Saddle bag is wedge-shaped and has elcro straps attach to saddle rails and seat posts. Durable woven nylon construction. Labeled internal organizational pockets. External, quick access multi-tool sleeve. Reflective logos and loop increases night visibility. Water resistant zipper with large pull loop. Color options of high contrast red/black or black only. Available in standard and loaded CO2 and Sport kits.