FRP panels are a core material in lightweighting strategies. Their extremely high strength-to-weight ratio means significantly reducing weight without compromising structural load-bearing or safety. Paired with exceptional corrosion resistance, design freedom, and composite characteristics like impact resistance, weather resistance, and thermal insulation, they become an ideal choice for fields pursuing weight reduction and efficiency gains. In vehicle manufacturing to lower energy consumption, in building facades to reduce load, in high-end equipment to enhance portability, and even in home and environmental projects for easier handling, FRP panels bring direct performance improvements and efficiency benefits through their superior lightweighting performance.