Yep, they can be... I have ARMORGLOVE on my Lexus SC430 and it's the best investment made! It's on the front bumper, headlights, fender "wings", hood (wrapped under edges), rocker panels, side mirrors and door cups. Cost was $1000. including labor as this is nothing to play with unless you do it for a living as special tools and talent are required.
You can see it at Armorglove.com. They now have a lifetime warranty!
Armorglove does all the high-end cars in our area, so after looking at X-PEL, STONEGUARD etc, I went to ARMORGLOVE as they had beetter material and better experience.
Good luck, and trust me, it will be the best thing you did!
Regards,
Deanski