Food grade material: Made of selected foodgrade, environmentally friendly materials. The milk powder container is 100% BPA to ensure no chemicals leach into food. It includes a builtin hanging spoon to keep the scoop clean and away from contaminants. Sealing and keeping fresh: The brown container blocks direct sunlight and UV radiation to protect contents. A quality silicone sealing ring in the lid keeps milk powder and other foods clean and dry for a longer time. Pop up lid design: A unique pushbutton mechanism creates an airtight seal with a single touch. When the button is popped up, it doubles as a builtin handle for easy opening and closing in one click. Multipurpose storage: A convenient fill line makes it easy to store staples such as cereal, flour, sugar, rice, coffee, nuts, and snacks. The cylindrical and rectangular shapes are designed to be stackable, maximizing any storage space. Use scenarios: Home pantry organization: Store milk powder, cereal, sugar, or snacks in a tidy, spacesaving setup with easy access and long freshness. Onthego and travel: The onetouch seal and builtin spoon keep contents ready to use while keeping the container secure and clean during transit. Kids' lunch and snack packing: Use the stackable containers to portion and transport snacks, milk powder for hot or cold beverages, or other small food items.