aluminum no rust If you like classical and new age music, spoken word, podcasts, audiobooks, oldies, and instrumental music. )Edit: Bought them to wear around the house--hardwood floor and carpet. 2) My wallet somehow fell off my desk and into a tiny gap between my desk and the wall without me knowing that. I ordered a medium, I am 56" and about 180 lbs at 35 weeks pregnant. I just a piece of an old inter tub inside of the fitting and it fits just fine with no movement. - Scroll wheel: this is one of my personal favorite features of the mouse. it works on pc games like league of legends well not extraordinary but they wprl2. I also have a samsung galaxy s5 phone. 5, and it fit me very well.