25 ml into the bottles of orange glass.
25 ml in bottles of a dropper of orange glass.
64 (or 49, or 36) bottles of 25 ml with an equal number of instructions for use are placed in a group box of cardboard.
64 (or 49 or 36) of a 25 ml dropper with an equal number of instructions for use are placed in a group package made of cardboard.
1 bottle, a dropper with the instruction for use is placed in a pack of cardboard.
1 bottle, a dropper bottle is placed in a pack, on which the full text of instructions for use is printed.