Independent, StackablE4 compartments can be combined in order, can also be taken separately, thickening of the inner wall and thread rotation design, it's sealing without worrying powder leaking. Multi-PurpoesMilk powder container also can be used as snack cups and baby foods container, perfect for storing oatmeal, cornflour, nuts, candy, fruit and more food. Safe & Healthy MaterialFood grade Premium quality BPA free PP material, Nontoxic. Top rack Dishwasher safe, Sterilizable safe. Suitable for all kinds of milk bottles, no more worry about spilling. 4 Layers4 layers capacity can meet your baby's need. You could put quantity of milk powder in each layer box. Smooth surface and removable layer, comfortable and convenient to clean for mothers. With Independent LidIndependent lid protects milk powder against dust and dirt, it can keep fresh and prevent tainted by other odor.