this review title is: very sharp and long lasting and the content is: i purchased a pack years ago from amazon i had tried them as well as other inexpensive russian gillette rapira or gillette platinum these blades are teflon coated however some lots are marked as teflon coated and others are not not sure why but i have been assured they are all teflon coated and the branded dupont teflon name may not be printed due to cost for using the word teflon these voskod as well as their sister blade rapira are excellent blades note the reverse side of the box and you will see rapiraru at the bottom my favorites blade of more than that i use.there are other information for this review, one is this reviewer did not purchase it and the other is 0 people think this review is helpful.