Original Samsung 101 toner cartridge MLT-D101S, sealed in plastic packaging.
As noted in the description, the box has been opened to verify the contents for this listing because the boxes were not factory sealed to prevent tampering.
Series:
ML - 2160/2162/2165/2165W/2164
SCX - 3400/3400F/3405/3405F/3405W/3405FW
SF - 760P