Quality Material: These gel filters are made of high light transmission plastic and can be used as flash filters. Lightweight, high toughness, stable color temperature, low loss. Perfect for placing over outdoor lights or for modifying LED garage flood lights, Christmas lights, and Halloween decorations. Quantity: 9 pieces of gel light filters in total, sufficient for various uses. Size: 11.7 x 8.3 inches / 29.7 x 21 cm (L x W). Note: Do not place the product near an active light source to avoid melting. Combined Use & Create Amazing Effects: These gel filters can be combined to create different lighting effects such as cool tones and color correction. Ideal for additive and subtractive color mixing, light wavelength filtering, absorption, and color temperature adjustment. Wide Applications: Lighting gel filters are suitable for photo studio strobe flashes, LED lights, film, video, theater, party, and DJ lighting. Can also be used in memory albums and other art projects. May assist in improving visual clarity and eye movement control for some reading activities. Two-sided Protective Film: Protective films are applied on both sides of the gel filters for scratch protection. Easily peel off before use. Color: Blue Material: Plastic Package Contents: 9 x Gel Light Filters Only the above package content is included; other items are not part of this package. Note: Lighting and display differences may cause slight variations between the image color and the actual product. Measurement allowance is +/- 1-3 cm.