Installation instructions: 1) Please unpack the sunshade and let it lie/expand for a few minutes 2) Clean the windows of your car 3) Now attach the sunshade to the glass and brush firmly over it a few times 4) Please note that the temperature should be at least 50 degrees fahrenheit - the warmer the better :-)
OPTIDARK CERTIFIED UV PROTECTION: Tested to Australian Standards - "excellent". Blocks 98.6% of UV rays (UPF 50+)