Material: These are made of high transmission plastic, can be used as a flash filter. weight, high toughness, stable color temperature, low loss. Perfect for placing over outdoor s, or transforming regular LED garage s to Christmas s, decorations.: 9 pieces of in , enough for using. Size: 11.7 x 8.3inches / 29.7 x 21cm (L x W). Note: please do not leave the product to the which is on, or it will be melted.Combined to Use & Creat Effects: these can be combined to create different effects, such as, cool effects, color correcting. Or for color correction, involving additive and subtractive color, color mixing, color transmission, absorption and filtering of the different wavelengths of .Wide Applications: The ing Filter is pfrfect for photo studio strobe flash LED s, film, video, theater, party, and DJ ing. Or used for memory albums and various other art projects.It can also help children reduce frustration in reading, and eye movements control.Two-sided Protective Film: There are protective films on both sides of the correction , easy to off. Please tear off the films use. 't worry about being scratched, easy to remove .Colour:OrangeMaterial:plasticPackage Contents:9 x Only the above package content, other are not included.Note: reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.