FOOD-GRADE MATERIAL: The milk powder dispenser is made of BPA-free food-grade polypropylene. Each 120ml layer can hold 50g of powdered milk. The 4-layer package is 480ml in total, which can meet children's daily milk powder needs. NO LEAKAGE: 4-compartment multi-stackable formula storage container designed to be stacked multiple times. Each compartment is an independent storage space, sealed against humidity and water. The twist-off lid prevents dust from spreading to other boxes. Portable Portable Travel Storage: Provides a top silicone handle, easy to carry, suitable for indoors and outdoors, you can store it in the side pocket of the stroller bag, diaper bag, save a lot of space in the bag. Independent tiered design for storing your baby's daily meals. Each compartment can store different things according to your needs. In addition to the formula, it can store snacks, rice, cereal, nuts, sprouts, oatmeal and other baby food. Cleaning and maintenance: our products are made of high quality materials, fine workmanship, environmentally friendly, and will not affect your and your children's health.