PDair Silver Aluminum Metal Case for Acer n50. This is an Aluminium Deluxe Case for your Acer n50. It is 100% made of anodized aircraft grade aluminium and the design of the case is according to the profile of the handheld. The neoprene lining on top, bottom and the side holds your Acer n50 securely in place. The lock on the side holds the top and bottom of the case tightly together and prevents from accidentally opening which could get your handheld scratched. With this form-fitting metal deluxe case, it protects your investment.