Premium Material: Made of high quality PP and food-grade silicone, safe and BPA free, heat and corrosion resistance. Independent, Stackable: 3 compartments can be used as a single box or as a combination of multiple boxes, can also be taken separately. Large Capacity: 3 layers design, each container individually seals to store 60g of powder formula or snack. Translucent frosted box to clearly distinguishes the stored foods. Easily Clean & Carry: Independent compartment cover, sealed and leakproof, clean and sanitary, superimposed layers, very convenient for carrying out, easy to disassemble and clean. Multi-purpose - It can carry Formula powder, and also can be used as snack or candy cups.