1. Riding safety: This bicycle rear-view glass features a flat glass design with a wide field of view, allowing you to understand your surroundings while riding. You can see the road behind you without turning your head. 2. Easy to wear: It attaches to the back using a high-quality breathable strap material. Lightweight and compact, it is easy to wear and remove in seconds. 3. Quality materials: Made from high-quality nylon plastic, the rear-view glass is sturdy, durable, safe, and versatile, suitable for riders commuting to and from work. 4. Adjustable: The rear-view glass includes a wrist strap and offers 360-degree rotation, so you can easily set the desired viewing direction by turning. The wrist strap size is easy to adjust. Use scenarios: - Daily city commute: monitor traffic behind you without taking hands off the handlebars. - Busy streets and group rides: stay aware of vehicles approaching from the rear while riding with others. - Weekend errands and urban rides: quickly check behind you for safer lane changes and aware riding. Note: Fully maintains the original function and intent, focusing on safety, ease of use, and durable materials.