Specification Brand : XUZHID BulletPoint1 : High contrast polarizing film, without sticky. BulletPoint2 : High transmission, polarized light sheet. BulletPoint3 : Make the study of light and color interesting. BulletPoint4 : Great for wide applications, experiments involving birefringance, light scattering and more. BulletPoint5 : Widely used in photography setups, science projects and learning physics. Color : Black ExternallyAssignedProductIdentifier : 7670952600295 ItemName : XUZHID 3Pcs Polarized Film Sheets 20x15cm Without Adhesive Polarizing Filter for Photography and Educational Use ItemPackageQuantity : 1 ItemTypeKeyword : photographic-film Manufacturer : XUZHID Material : Vibrating plate PartNumber : XUZHID ProductDescription : Features: High contrast polarizing film, without sticky. High transmission, polarized light sheet. Make the study of light and color interesting. Great for wide applications, experiments involving birefringance, light scattering and more. Widely used in photography setups, science projects and learning physics.