Self-adhesive holographic rainbow film is a decorative material that combines a pressure-sensitive adhesive backing with a holographic surface, diffracting light into vibrant, dynamic, and ever-shifting rainbow colors. Designed for easy peel-and-stick application on smooth surfaces, it is an ideal choice for creating eye-catching signage, packaging accents, craft projects, and retail displays—blending aesthetic appeal with functional versatility for both creative and commercial applications.