You will receive 2 bicycle rearview mirrors designed to help you clearly see road conditions behind you, enhancing safety and reducing the risk of accidents while riding. The mirror measures approximately 2.76 inches (7 cm) in length and 1.97 inches (5 cm) in width; please verify dimensions before purchase. The mirror offers flexible 360-degree adjustment, allowing full rotation and positioning in any direction. This enables comprehensive visibility of surrounding traffic conditions, helping you stay aware of potential hazards from multiple directions. Constructed from durable acrylic convex mirror, ABS, and PVC materials, this rearview mirror is waterproof, sturdy, and built to last. It maintains performance and clarity even after exposure to strong sunlight or heavy rain, providing reliable visibility in various weather conditions. Installation requires no tools. The mirror features a non-slip adjustable rubber clamp that securely attaches to handlebars by hand. It fits handlebars with a diameter between 0.591.18 inches (1530 mm). The mirror can be easily removed when not in use. Confirm compatibility before purchase. This rearview mirror is universally compatible with most standard bicycles, including mountain bikes, commuter bikes, electric scooters, and similar models. The shock-resistant acrylic convex design ensures a stable and clear reflection while riding.