A thin black magnetic sheet including adhesive tape suitable for mounting Pointguard's magnetic fixings on cars with glass and panoramic roofs. The magnetic sheet is mounted with adhesive tape on the car's glass and panoramic roof and then used as a fastener for Pointguard's various types of magnetic fixings. The surface-treated and painted sheet in black color, is mounted with an extra strong and high-quality and durable adhesive acrylic tape suitable for glass assembly, resistant to moisture, high and low temperatures (-30 to +120 degrees).