they truely are the best controllers in the world for feel and ergo...but the quality is bad. I replaced my left bumper as a huge titan fall player . you all know why. bumper jumper baby! anyways. Other then the cheap bumper buttons I never had issues. but i always wash my hands before use and i clean them regularly *the controllers* also, no food while playing. especially cheetos lol and mountain dewwwwwwwwwww