To use this sling bag, simply put your daily items like your phone, wallet, and keys inside. You can wear it across your body for easy access and hands - free movement. When you're done using it, keep it in a dry and cool place. Avoid exposing it to sharp objects as it might damage the nylon material. To clean it, you can use a soft, damp cloth to wipe off dirt. Don't use harsh chemicals as they may ruin the fabric.