Are supplied in each 4-blister packs. Shelf life is sensational six years with my delivery. Was delivered instead of "Plus" the equivalent "Original Equipment Accessory", so point deduction, because unlike displayed, but "Plus" and "OEA" are identical, therefore, everything was perfect!
Addendum 11:11:12: after another four deliveries, I can say: Pieces vary, sometimes at 4 times, 10 times in as it comes straight, but always newest goods with sensational 6 years shelf life.