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The concept of the SAFE ZIP is from a combination of keys and zips. Traditional zips on bags and suitcases which use trick locks are easy to break. This zip has a removable part called ZIP-KEY to ensure the safety. You can not open the zip unless you plug in the zip-key. And a small cover is designed for the zip-key so you can take it everywhere with you. This new concept will increase the safety of zips.
Shanghai Second Polytechnic University