Each layer height: 4.5cm all has three layers; Total height: 17cm; Each diameter: 7cm; thickness: 0.2cm. Material: polypropylene butadiene styrene copolymer. Product introduction: transparent plastic box to milk powder. All has three layers each layer can take drink milk at a dosage for baby convenient to carry; Features: Good sealing not easy be affected with damp be affected with damp. At the same time in the three required for milk powder. Every small box on the lid of the independent can be used separately. The use of transparent type material can be easily confirmed the amount of milk powder in box. Notes: After storage milk powder please avoid damp places. Can boil disinfection sterilization of liquids. Too long time disinfection easy cause deformation. Please do not fire or keep warm places. Can't directly into the microwave oven preparing food.