What pack sizes are listed for Cetrotide 0.25 mg (cetrorelix acetate)?

Cetrotide 0.25 mg (cetrorelix acetate) is listed in packs of 1 vial with 1 pre-filled syringe or 7 vials with 7 pre-filled syringes, each vial accompanied by one 20-gauge injection needle and one 27-gauge hypodermic injection needle; not all pack sizes may be marketed.