WHAT YOU GET: You will get 2 pieces of bike mirrors, which can help you see the road behind you clearly, thus avoiding possible traffic accidents, reducing the accident rate and ensuring your safety while riding 360 DEGREE FLEXIBLE ADJUSTMENT: The adjustable swivel handlebar mirrors can be rotated 360 degrees and adjusted to any direction you need, helping you to understand the overall road conditions in different directions, not just behind you, alerting you to dangers from different directions PREMIUM QUALITY AND STRONG MATERIAL: The wide angle bike mirror is made of durable acrylic convex mirror, ABS and PVC material, waterproof, strong and long-lasting; it stays in good condition after strong sunlight and heavy rain, providing you with a clear view even in bad weather TOOL-FREE INSTALLATION: The cycling mirrors are equipped with non-slip adjustable rubber buckles, which can be fastened to the handlebars with your bare hands without any tools; and fit handlebars with a diameter of 0.59-1.18 inches/15-30mm; when you don't need the mirrors, you can also easily remove the mirrors from the handlebars; please check the size of the product before purchasing. UNIVERSALITY: The shockproof acrylic convex mirror fits tightly on most traditional bicycle handlebars, such as mountain road bikes, electric bikes, mountain bikes, motorcycles, electric scooters, and more.