Backlit PVC, often used in the production of backlit signs, displays, and lightboxes, is typically made from a specific type of PVC material designed for backlighting applications. This material is sometimes referred to as "backlit film" or "backlit vinyl." It is engineered to allow light to pass through it evenly when illuminated from behind, creating vibrant and eye-catching graphics.

The specific composition of backlit PVC may vary between manufacturers, but it typically consists of a flexible PVC substrate that has been optimized for light diffusion and translucency. This substrate is designed to transmit light while maintaining the integrity of the printed graphics or designs. The front surface of the material is often coated or treated to improve printability, color vibrancy, and resistance to fading.

Overall, backlit PVC is designed to enhance the visual impact of illuminated signs and displays, making them more attractive and attention-grabbing when used in various applications such as retail signage, airport displays, movie theater posters, and more.