BEFORE BUY: There are Lots of sellers selling fake Gillette Blades .  98% of customers can't tell the difference between original and china mfg. blades. Sellers selling open packets of blades may be evading detection of counterfeit blades. Counterfeit blades do not work like Original Gillette Blades. There have been reports of injury to people using the counterfeit blades from china. We have 100% original authentic blades in all original sealed packaging.