Safe Materials: The baby formula container is made of high food-grade PP plastic that is BPA-free, suitable for moist- heat, and freezer safe as well. Capacity: 100ml per layer, with a volume scale (20-100ml) to control the baby's food intake. A single layer of the baby formula dispenser is enough for a baby to eat a meal. The milk powder container is a sealed thread and does not leak powder. Stackable: 2 compartments can be combined, and can also be taken separately. This baby milk powder formula dispenser has a cute octopus design and silicone sealing ring inner lid ensuring food is fresh and preventing formula from getting wet and from any damage. Easy to Carry: Small in size, the formula storage container perfectly fits in hands and bags, it is convenient to take while traveling or visiting out with babies, makes feeding easier. Multi-Function: The formula container can be used to store milk powder, and also be used as a snack and food container. It is perfect for storing oats, cornflour, nuts, fruits, and other foods.