Can someone give me or tell me where i can get more info on the clear bra? Is it visible at all or is it completely clear?

 

This is 3M's general description of PPF: Paint Protection Film SGH6 and SGH12 are noted for their proven overall excellent performance. This rugged, crystal clear film protects against stone chips, bug damage, abrasion and weathering. Nearly invisible, its specially formulated clearcoat (patent pending) helps preserve the color brilliance and design lines of a vehicle’s painted surfaces. Proven to meet automotive OEM specifications, this durable film is flexible, conformable and long lasting. Scotchgard Paint Protection Films SGH6 and SGH12 are available in roll sizes to meet your application needs.

There are numerous threads about this topic and a simple search will yield many:
https://acurazine.com/forums/car-talk-5/glut-04-tl-rims-sale-why-136111/
https://acurazine.com/forums/ramblings-12/ramblings-just-hit-20k-threads-135293/
https://acurazine.com/forums/showthread.php?t=110764
https://acurazine.com/forums/car-talk-5/top-speed-governed-03-tl-s-125259/