Using this Serfas Bar - Tender Handlebar Bag is a breeze. First, attach it to your handlebars using the universal - fit strap mounting system. You can adjust the bottom and top straps to get the best fit for your bike's front suspension. For small items like sunglasses or lip balm, put them in the external mesh pocket. When you're in a rush, just throw your keys, phone, wallet, and water bottle into the main cinch pocket. As for maintenance, clean it with a mild soap and water when it gets dirty. Make sure it's completely dry before using it again. Don't over - stuff the bag as it may affect its fit and durability. Also, check the straps regularly to ensure they're still in good condition and holding the bag securely.