EGR 575031 In-Channel Slimline WindowVisor - 4 Piece Installs in record time, fits snuggly into the in-channel of the window Fully integrated, custom molded design helps reduces windshield fogging in wet weather for safer driving Leave windows cracked on hot days - return to a cool, dry interior (even if an unexpected rain shower occurs) In -Channel WindowVisors can be installed and removed from your car without the worry of leaving a tape residue behind Limited Lifetime Warranty