I find the Bumper to be aesthetically pleasing. Frankly, I think it makes the iPhone 4 a bit more attractive. Plus it gives the iPhone 4 some 'grippy' surfaces to hold, thus helping to prevent accidentally dropping the iPhone (that's a form of protection right there).
I posted a review of The Bumper (including some high-quality photos):
https://forums.macrumors.com/threads/950946/
Mark
I posted a review of The Bumper (including some high-quality photos):
https://forums.macrumors.com/threads/950946/
Mark