The OSO bike bag provides a roomy compartment to store essential gear on your next cycling adventure. Whether you need a safe place to stash tools and tubes, or a home for your wallet, keys and cell phone – you can travel light and still have everything you need at your fingertips. - Dimensions: 11” W x 5.5” H x 5.5” D On-bike pack mounts (and dismounts) from handlebars quickly and easily with sturdy hook-and-loop Velcro attachments. Made of durable, tear-resistant and water-repellent fabric to withstand light rain and muddy conditions. Suitable for most kinds of bicycles, such as folding bikes, mountain bikes, gravel bikes, beach cruisers, and road bikes. Removable straps easily stow away when you’re riding. Carrying strap transforms this lightweight bag into a shoulder sling or hip bag so you can carry it with you when your bike ride is finished. Oversized, weatherproof zipper on front compartment makes it easy to open and close and helps keep contents out the elements. Structural foam holds bag in shape and makes comfortable when used as a waist pack or shoulder bag. Made to reflect our love of the outdoors and America’s National Park system. Just toss in your keys, wallet and phone – and get outside!