Personna Red Pack Israeli Blades will fit all traditional double edge razors. Known for their smoothness and sharp edge, these blades come individually wrapped and feature a platinum coating for enhanced comfort. Made in Israel, Personna Red Pack blades are produced in the same factory as the Crystal blades. You get 20 packs of 5 blades, which is a total of 100 blades. Also available in smaller 5 blade packs, which is a great way to try before you buy.