Audrfi 4pcs In-Channel Window Visors Sun/Rain Guard for 91-01 Explorer 4-Door Side Window Deflectors Vent Visor Item-Offered: 4pcs vent shade window visors (Installation instruction is not included, please check the sample installation picture above for reference) Style: In-Channel Style (Note: In-Channel type visor will fit the window that roll down only. It doesn't fit the vent type window that opens towards outside) Material: Reinforced Acrylic Come with 3M automotive-grade double-sided tapes. Easy installation Help reduce heat buildup in park vehicles by allowing air in when partially open,Please verify fitment before purchasing this product