Abstract: A mother's-milk harvesting device, suitable for the collection of mother's milk from a human milk-providing breast, in the form of an essentially liquid-tight receptacle comprising an upper breast-receiving portion and a lower milk-receiving portion, the upper portion when in use being adapted for the reception of a breast therein, and the lower portion being in internal communication with the upper portion and being adapted to permit its disposition in a plastic-film-baby-bottle holding device, preferably formed of plastic film and adapted to be flat-folded; such device wherein a line of weakness is present between the upper portion and the lower portion, especially wherein a second line of weakness is located in spaced relationship to the first line of weakness a distance sufficient to define a top section in the bottom portion for facilitating removal of the top section of the bottom portion when the bottom portion is severed from the top portion, placed in a plastic-film-baby-bottle holder, and turned dow