Quality: These gel filters are made of high-transparent plastic and can be used as flash filters. Lightweight, high toughness, stable color temperature, low loss. Perfect for placing over outdoor lighting, or transforming ordinary LED garage lights into holiday lighting, decorations. Quantity: 9 pieces of gel light filters in total, enough for your use. Size: 29.7 x 21 cm (L x W). Note: Do not leave the product in the light that is lit, otherwise it will melt. Combine to Use & Create Effects: These gel filters can be combined to create different effects, such as cool effects, color correction. Or for color correction, involving additive and subtractive color, color mixing, color transition, absorption and filtering of the different wavelengths of light. Wide Applications: The light gel filter is perfect for photo studio strobe flash lights LED lamps, film, video, theater, party, and DJ lighting. Or used for memory albums and other art projects. It can also help children reduce frustration in reading and controlling eye movements. Double-Sided Protective Film: There are protective films on both sides of the correction gel light filters, easy to remove. Tear off the films before use. Don't worry about being scratched, easy to remove. Color: Blue Material: Plastic Package Contents: 9 x Gel Light Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.