Description: Helmet Mount Adjustable Arm with Curved Adhesive Pad. Suitable for the curved surface of bike, motorcycle, ski, baseball and rock climbing helmets etc. To mount in the front, side, or back of the helmet. Double-sided Adhesive?for the curved surface, and removed easily with heat(hair dryer). Three-Way Adjusting Arm?achieve all kinds of angles to meet your needs. Specification: Material?Plastic Size?135 mm/5.31 inch Package Includes: 1x Helmet Mount Arm 1x Curved Mount 2x Curved Adhesives