from dispensing cartridge 10 but large enough to allow the product to be dispensed from dispensing cartridge 10 when dispensing cartridge 10 is inserted into a receiving machine in this embodiment opening 28 is an oval having a longer diameter of approximately 1 75 inches and a shorter diameter of approximately 1 inch in this embodiment dispensing cartridge 10 is transparent allowing a user to visually determine the amount of the product to be dispensed remaining in dispensing cartridge 10 fig3 and 4 show an embodiment of dispensing cartridge 10 in a closed position holding solid product 34 to be dispensed in this condition dispensing cartridge 10 has had opening 28 opened by the user and dispensing cartridge 10 is ready to be inserted into the machine into which solid product 34 is to be dispensed these figures illustrate the ease with which dispensing cartridge 10 may be carried and inserted into the machine into which solid product 34 is to be dispensed in operation once inserted liquid preferably water from the machine is allowed to circulate in the proximity of opening 28 solid product 34 such as a detergent block being dissolvable by such liquid is gradually dissolved out of dispensing cartridge 10 and advantageously utilized by the machine such as a laundry machine fig5 shows an embodiment.