Upgrade your vehicle's interior lighting with this set of 4 high-quality 31mm festoon LED bulbs. Designed as a direct replacement for your car's map, dome, license plate, side door courtesy, cargo, or trunk lights, these bulbs offer superior illumination compared to traditional incandescent bulbs. Each bulb features 12 bright 3528 SMD LED chips that emit a clean, white light, enhancing visibility and adding a modern touch to your vehicle's interior. With their compact size and double-ended socket design, these festoon bulbs fit seamlessly into various applications, ensuring a hassle-free installation process. Experience improved lighting and energy efficiency with this convenient LED bulb set.