1. Material: ABS+PVC combination+EVA.
2. Usage area: bicycle, motorcycle, can be fixed on the round tube with dia. 13mm-25mm.
3. Applicable to the electronic devices with a width of 50-85mm (below 7 inch).
4. The handle knob for locking and fixing, making it stable and secure; rotating in 360°, with semi-automatic button for extension, matched with soft silicone pad and EVA material, to effectively protect the bicycle / motorcycle body appearance and the appearance of the electronic devices.