Using these shoulder bags is a breeze. Simply adjust the shoulder strap to your comfort level and carry your essentials inside. You can use it for daily outings, work, or travel. When it comes to maintenance, use a soft, dry cloth to wipe off any dust or dirt. Avoid using harsh chemicals or abrasive materials as they might damage the nylon or polyurethane. Always keep the bag away from direct sunlight for long periods to prevent color fading. Remember, due to the chemicals in the product, don't let it come into contact with food or anything that will be ingested. If you have any concerns, refer to the warning link provided on the product description.