That $3,500 cell phone case on Amazon is a 100 piece set. You're looking at bulk deals.

http://www.amazon.com/TopOne-Waterproof-Aluminum-Gorilla-100PCSBlack/dp/B018FOGW3G/ref=sr_1_1?ie=UTF8&qid=1457532921&sr=8-1&keywords=cell+phone+car+mount