This is a support item for when it's difficult to attach suction-cup type smartphone holders to the dashboard meter hood due to its shape and texture. This is a suction-cup smartphone holder support plate. Attach the support plate, and then attach the suction cup on top of it to secure the car mount holder. ■ Important Notes for Installation When installing in your car, be sure to clean the mounting surface on the vehicle body before installation, wiping away dirt and moisture, and degreasing with silicone off, etc., before attaching. If dirt or moisture remains, the double-sided tape will not adhere properly and may peel off easily. It cannot be installed in curved areas or areas with large irregularities. Please install it so that the entire surface is flat. Do not install it on the airbag area. Please remove the transparent film on the surface before use. ■ Size ・Approx. 80mm Please use this if you have trouble installing suction-cup type car mount holders, car smartphone holders, smartphone holders, smartphone stands, suction cup hooks, radar detectors, drive recorders, mirrors, baby mirrors, or storage items.