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It's terrible and embarrassing to find the button lost when you are at outsides.Before, you need to find a needle and threads to sew.Now,all you need to do is to press smiling button with your fingers.The smiling button usually pins to the laundering instructions of clothes or pants. When you need it, you could take it down immediately.
Ningbo Institute of Technology
Ningbo, China
Ningbo Institute of Technology
Ningbo, China