PAVEOS Bicycle Rearview Mirror 360 Degree Rotating Bicycle Mirror Riding Mirror Pack Features 360-degree rotatable design, you can rotate different angles according to your own perspective. The base can be changed at 90 degrees, and it can be used at multiple angles, which is convenient to use. High-strength PC frame, high hardness,-aging, easy to break. Allen wrench is included for easy installation. Installation instructions: The diameter of the bicycle pole needs to be between 21-23mm before it can be installed. the size before purchasing. Parameter Material: PA/PP/Aluminum alloy base/Glass mirror Size：10.5x5.5cm（Mirror） Package include 1 x Bicycle rearview mirror（The package contains a, a pair） Househeld supplies for adult and children Design: Our home supplies adopts a close-to-life design, just to achieve a satisfying experience for you. Durability: This home supplies is made of sturdy and durable materials, which can maintain its functionality even after frequent use. Multipurpose: This home supplies can provide convenience for your daily life, whether it is for daily work or home leisure, you can also give it to your husband/wife/family, they will love it! Wide Selection: Discover an extensive range of household tools, from indoor to outdoor accessories, ensuring you find exactly what you need for your home . This home supplies will surely fulfill your needs! Service: If you encounter problems in the process of using home supplies, please feel free to contact us and we will solve them for you.