It opens and closes with a secure "snap" using a magnetic button. A shoulder strap is included. It's a light and durable woven strap with metal fittings, allowing for easy removal ✨️. The concave and convex parts of the magnetic button are attached in the opposite way of the usual method, so it will be offered at a discount. There are no functional issues. Recommended for these situations: ✦ When you only want to carry essentials like your smartphone, handkerchief, and lipstick ✦ As a sub-bag for walks, travel, festivals, etc. ✦ For organizing your bag ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ 【Size】 Body: Approximately 17cm (height) x 13cm (width)