Groovy Custom Fit Shape Side Car Window Sun Shade for Benz E-class W211 (4 Pcs Set for 2pcs X 1st Row, 2pcs X 2nd Row) Custom Fit Shape: Each sunshades is custom designed to fit exactly to the contours of the vehicle model Ultraviolet (UV) Protection: Made with 100% high quality materials, our sunshades offer good UV and glare protection. Ultraviolet blocking at 67% (UV transmission test conducted by TUV Rheindland Group) Collapsible: Sunshade are removable and collapsible, folding into a compact size for easy storage when not in use Special texture and design can reflex UV about 67% Easy, Clean Installation: Simple installation, just clean and attach clips to window frame with provided 3M double-sided tape. No drilling required Window Friendly: Our sunshades are attached to the window frame, therefore it does not interfere with window operation