1. Material: PA66+GF 2. Suitable for cell phone: 4.7-7.2 inch 3. Suitable for tube diameter: 22-32mm 4. Applicable models: electrical car, motorcycle, bicycle, etc 5. The material is thick, durable and not easy to corrode 6. Rotating ball design, horizontal 360 degree rotation, can rotate angle at will 7. Reserved volume power button position, easy to navigate to view and answer calls 8. Shock absorbing soft silicone design, better protection of your phone