Genuine Instant Pot Yogurt Maker Cups Instant Pot yogurt maker cups includes 1 rack with 5 yogurt cups, 6 ounce (170ml), airtight, spill proof lids Yogurt maker rack can hold five 9 ounce (260ml) feed bottles (not included) for sterilization by pressure steaming to kill bacteria, fungi and viruses Genuine Instant Pot Multi-Use Programmable Pressure Cooker accessory Made from food grade polypropylene (PF-1002) plastic BPA free, dishwasher and freezer safe