...the Spyder top protected, so I thought I'd add this "tip". I use 303 Aerospace Protectant(for VINYL). I use this at least 12 times a year(18+ times in my 19 mos of ownership) and the original top on my
Spyder is beautiful;

&
And for ALL MR2 owners, I also use the 303 on all the interior plastic.
303 Products, Inc.: 303 Aerospace Protectant