Review on Kensington MicroSaver Retractable Portable Notebook Lock - Optimized for PC/Mac by Sean Patel

Bought one for my wife and I (both students who spend a lot of time in the library and public places). It fits my hand completely to give you an idea of the size. Fits easily to both my HP and your Macbook. Pros: Lightweight, highly portable, retractable cord, fits easily in a laptop bag. Who wears them in the library?) In general I am satisfied with the product, I feel much calmer now when I leave the laptop, but I understand that this is only a level of security and not the final answer. I think having a cord helps with deterrence but gives me some peace of mind.