A outer cylinder packaging for prefilled syringes includes a container having an upper face that has an upper face opening; an outer cylinder holding member that is located in the container and includes at least one outer cylinder holding opening part; at least one outer cylinder for prefilled syringe that is held by the outer cylinder holding member; and a removable sheet-shaped lid member that seals the upper face opening of the container. The outer cylinder for prefilled syringe includes: an outer cylinder main body part; a flange part; a nozzle part that is provided at a tip part of the outer cylinder main body part and has a tip opening part at its tip; and a distal cylindrical part that covers the nozzle part, has a diameter that is larger than an outer diameter of the outer cylinder main body part, and passes through the outer cylinder holding opening part.