Gevog 4pcs Side Window Deflector Window Visors for 88-99 Chevrolet C1500/C2500/C3500/K1500/K2500/K3500 Extended Cab Sun/Rain Guard Ventvisor Fitment: 1988-1999 Chevrolet C1500/C2500/C3500/K1500/K2500/K3500 Extended Cab Pickup Only Item-Offered: 4pcs Vent Shade Window Visors (Installation Instruction is Not Included) Material: Reinforced Acrylic Direct Tape-On Design, Easy Peel-N-Stick Installation. No Cutting or Drilling Required Keep Rain out and Let Fresh Air in. Allow Window to be Cracked, Reduce Heat Build up in Parked Vehicles