Designed for Fondo training and long, sweaty rides. This high-volume seat bag holds a spare bottle, plenty of gear, and even a light jacket. Plus, the Oceanweave fabric is made from reclaimed and recycled fishnets to help protect the world's oceans and marine life. Mounting: - Lightweight hook-and-loop strap system mounts to saddle - Two rubberized seat post straps with camlock to stay tight while avoiding damage to cycling shorts Materials: - Oceanweave(R) reclaimed fishnet polyester with waterproof polyurethane coating - Water-resistant stitched construction. - Camlocks made from reprocessed polyamide and reclaimed textiles (clothing). Compatibility: Most bike seats Specs: - Dimensions: 24 x 10 x 11 cm (9.4 x 3.9 x 4.3 in.) - Weight: 126 g (0.28 lb.) - Volume capacity: 1.3 L Features: - Back flap zips open for easy access. - Inner card/ID pocket. - Water-resistant outer fabric sheds dirt easily and resists fading. - Sturdy mesh water bottle holder. - Reflective rear 3M(R) logo increases visibility at night. - Rear light clip (light not included).