Material: Pc+AbsColor: BlackDiameter: 30Cm,45Cm,60Cm------------------------------------------------Wide-Angle Lens (Black Mirror Back) Pc Mirror,Clear Image,Wide Vision,Wide Line of Sight,Clear Imagethe Hat is Designed to Effectively Block the Sun and Rain Duthe Rainy Days,Promote Clear Vision and Improve Driving Safety.Pc Material,Coated by Strict Standard Plastic Forming and Vacuum Coating Technology,With Scratch Resistance,Impact Resistance and High DefinitionApplicable Occasions: Corners at Intersections,Intersections,Road Turns,Road Parking Lots,Communities,Shops,Underground Garages,Etc.------------------------------------------------Prompt:We Use International Logistics,If More Than 30 Days,Please Contact Us in Time,We Will Help You Solve the Problem As Soon As Possible;This Product is Manually Measured with an Error of 1-2 Cm;Due to Light,There May Be Some Errors in the Display and Shooting Angles; This is Not a Quality Issue;We Will Pack Each Product Properly. If There is Any Damage Dutransportation,Please Contact Us in Time!------------------------------------------------This Wide-Angle Lens is Very Practical in Any Obstacle Space and Can Be Used to Overcome Obstacles,Which Can Reduce Blind Spots and Widen the Field of View.