To use, adjust the shoulder strap to your desired length for comfortable crossbody or shoulder wear. To attach it to your belt, simply remove the adjustable strap and thread your belt through the designated loops. This bag is designed to hold everyday essentials such as a smartphone, wallet, keys, small cosmetics (e.g., lip balm), and sunglasses. It is not intended for larger items like tablets, water bottles, or books. As a bluesign PRODUCT, it's recommended to follow general care instructions for fabric bags. Typically, spot clean with a damp cloth and mild soap. Air dry away from direct sunlight. Avoid machine washing or harsh chemicals to preserve the material and its properties.