1. Made of durable ABS plastic that is resistant to cracking or becoming brittle. 2. Suitable for motorcycles, e-bikes, and bicycles. 3. One-touch locking mechanism allows for quick, one-handed mounting and removal. 4. Features a high-tension spring design for all-around support and a secure grip on the phone. 5. Compatible with 4.7–6.8 inch smartphones. 6. Mounting: Fits rearview mirror stems with a diameter of 8.5mm or less. 7. Material: ABS Plastic and silicone.