Rainbow film is also called colorful film, Iridescent film, magic film, laser iris film and so on. 

It's one kind of multilayer film. It makes full use of the principle of light interference. Under the illumination of light, the refraction and interference between the layers can showing luminous colors that seem to change when seen from different angles, which is like a rainbow in the sky.

The magical effect of the rainbow film is that the rich light effect of the rainbow film substrate itself at different distances and different angles will present a completely different illusion effect.

The rainbow film can be used as a single-layer packaging alone, or it can be combined with a variety of materials for application:

①Glitter powder, gold and silver wire industry:
After using the rainbow film to compound the PET film, it can be coated and printed to create a new colorful illusion effect and processed into gold and silver wire or glitter powder. The products are mainly used in the Christmas gift industry, clothing printing industry, ribbons industry, etc.

②Paper products industry:
The rainbow film composite coated paper or white cardboard can be used alone in gift box packaging, or the composite formed rainbow film can be used in anti-counterfeiting packaging, cosmetics or gift packaging after deep processing

③Food packaging industry:
The rainbow film is mainly used in the twist packaging of fruit candies and the decorative packaging of the crafted wedding candy. The iris colorful effect and transparency of the rainbow film can make the packaged candies become more attractive.

④Plastic decoration industry:

The rainbow film can be combined with a variety of hard plates to be used in furniture decoration, corner or glass curtain wall decoration, to enrich the color of architectural homes;

⑤Cloth industry:

The rainbow film can be combined with non-woven fabrics to make beautiful environmentally friendly shopping bags or combined with curtain fabrics to make curtains and hanging decorations with bright colors and illusion colorful effects.

In addition, the single-layer rainbow film can also be used as a flower packaging or applied to the outer packaging of craft gifts. The rainbow film can also be crushed into snowflake shapes and used in Christmas craft trees and Christmas gifts.