VIOJI 4pcs Dark Smoke Outside Mount Style Sun Rain Guard Vent Shade Window Visors Fit 06-13 Chevy Impala All Models Fitment: 06-13 Chevy Impala All Models Item-offered: 4pcs vent shade window visors (Installation instruction is not included,please check the sample installation picture in the listing for reference) Style: Outside Mount Style (Stick on to the door & above the windows.Not In-Channel Style) Position: 2pcs for front doors and 2pcs for rear doors Installation: Reinforced Acryli Direct Tape-On Design,Easy Peel-N-Stick Installation.No Cutting or Drilling Required