[Material] : This star filter made of import optics glass and resin,Top level of transmittance.Metal sealing ring instead of the plastic sealing ring, Better tightness,No worry fall or loose. | [Function] : The star filter can make every bright spot in photo producing star-shaped flash-like dazzling effect.The brighter the spot, The more pronounced the star effect.Perfect for night scenery, gemstones, glassworks, metal works photography. | [Note] : The surface of the star filter is not smooth, There are a lot of shallow marks (the starburst effect is formed by them). It is not recommended to wipe it frequently. It is recommended by air blower. After using, Put it in the filter Pouch, Which can reduce dust Stains and avoid scratching filter.And please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. | [Package] :Includes 1 x 55mm 4 Points Star Filter, 1 x 55mm 6 Points Star Filter, 1 x 55mm 8 Points Star Filter, 1 x 55mm 12 Points Star Filter, 1 x 4 Slot Nylon Filter Pouch ,1 x 55mm Lens Cap and 1 x Microfiber Lens Cleaning Cloth. | [Warranty] : We offer one year warranty and life-time after-sales service, So you meet any problem, Please feel free to contact us.