PP material, environmental protection, odorless, good visible quality, mother is more at ease. A box of double compartment design, separate milk powder and spoon, avoid direct contact between hands and milk powder. The double-layer strong seal makes the lid fit tightly with the box body to ensure that the milk powder will not leak and get damp. Small size, large capacity, easy to carry, not taking up space, very convenient.It can not only hold milk powder, but also fruit snacks, complementary foods, and nuts. It is very practical. Small size 400ml, can hold 200g milk powder, large size 800ml, can hold 400g milk powder. Specification: Material: PP polypropylene Size Chart: Small Size: 11x8.5x10.5cm/4.33x3.35x4.13inch Big Size: 16x8.5x10.5cm/6.30x3.35x4.13inch Package Includes: 1 Piece Milk Powder Dispenser(As You Choose) Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!