1. Reminder: This product comes in 3 styles, including handlebar, mirror, and quick installation. Choose the description you want. 2. Features: Waterproof bicycle case with two options. The L size fits smartphones from 5.5 - 6.8 inches, and the S size fits smartphones from 4.7 - 6.1 inches. It is suitable for motorcycle handlebars with a diameter of 22 - 32mm. The phone case protects the phone from water damage up to IPX8. It can be connected to the handlebar of your bicycle or motorcycle. The 360 - degree rotation design allows you to adjust the angle. It is easy to install. Motorcycle phone holder: The holder can be connected to the rear - view mirror or handlebar of your motorcycle/scooter/sports bike/sports/street bike/motorcycle. 3. Specifications: - Material: ABS - Type: Accessory - Model: Handlebar, rear - view mirror base (optional) - Color: Black - Size: S: 170x102x19mm; W: 187 x 102 x 19mm (optional) - Quantity: 1 piece 4. Notes: - 1. Due to manual measurement, please allow an error of 0 - 1 cm. Please make sure you don't mind this before placing an order. - 2. Due to differences between different monitors, the pictures may not reflect the actual color of the product. Thank you! 5. Package includes: 1 x Waterproof phone case holder