The 6mm Toughened Glass With Tinted Laminate Allows You To See What Is Stored,Replaces The Rear Window Of A Defender And Allows You To Tilt Up The Window,Create 100 Percent Easy Access To The Contents Of Your Load Area,The Glass And Aluminum Panels For The Land Rover Defender Are Not Interchangeable,Can Be Fitted Together With The Front Runner Gullwing Box PN[GWDL004] To Create Extra Gear Storage Possibilities,Keeps Your Valuables Secure And Adds A Stylish Finish To Your Vehicle