Material: Made of high light transmission plastic, these filters are lightweight with high toughness, providing stable color temperature and low loss. Ideal for use as flash filters. Perfect for placing over outdoor lights or transforming regular LED garage lights into Christmas lights and decorations. Package Contents: 9 x light filters. Size: 11.7 x 8.3 inches / 29.7 x 21 cm (L x W). Note: Do not leave the product exposed to active light sources as it may melt. Combined Use & Creative Effects: These filters can be combined to create various effects such as cool tones, color correction, additive and subtractive color mixing, color transmission, absorption, and filtering of different wavelengths of light. Wide Applications: Suitable for photo studio strobe flashes, LED lights, film, video, theater, party, and DJ lighting. Can also be used in memory albums and various art projects. May assist children with reading focus and eye movement control. Two-Sided Protective Film: Protective films are applied on both sides of the filters for scratch protection. Easy to remove before use. Color: Multicolor Material: Plastic Note: Light reflection and differences in display screens may cause slight variations in color appearance. Measurement error allowance is +/- 1-3 cm.