These are what I found to be available. Prius Chat is my only source of info, so give me you educated opinions. It’s a lot of money for a poor old southern boy. I don’t want to make a mistake.
<div class='quotetop'>QUOTE(grasshopper @ Apr 6 2006, 05:38 PM) [snapback]236062[/snapback]</div> OK I dragged the mecometer out and measured it. There is a binding around the edge and that makes the figures suspect but I am guessing 8 mm. This is the Toyota OEM. The material I used for the radiator blocker mod that feels the same is also 8mm. FWIW. It is Vinal with a felt backing.
What's really interesting is, as many as 75% of all cars wear a bra that's too small...! You can tell by the bulges near the fenders, and the little rolls above and below the straps... It's something I've been meaning to get off my chest.