Astra Superior blades are the best you can get. Consistently highly reviewed, they do a fantastic job at providing a close, irritation free shave. You should expect to get between 4 and 7 shaves per blade.
Pack includes 30 blades and a Blade Bank for easy disposal and recycling of used blades. Just pop the used blades through the slot and when the bank is full, pop it in your recycling bin.