The high powered neodymium magnets are 100% safe and will not damage your device. Secure a device to any flat, textured surface on your vehicle with the Heavy-Duty Suction Cup base. Strong suction cup base is reusable for easy moving from one location to another. Holds up to 3lbs. " diameter heavy-duty suction cup base. 360-Degree adjustable turn and rotate. Large elastic band works with rugged cases.