Food stays fresh longer and is stored in a neutral-smelling and hygienic manner. Dishwasher safe. The clips are easy to open and close. Suitable for freezing and microwave heating. Integrated measuring scale. Stackable for space-saving. Thanks to the stacking rim on the lid, they can be stacked on top of each other. BPA-free. Voluntary compliance with the Babycare standard, the highest standard for pacifiers and baby bottles. Made from certified raw materials (fresh specialty plastic F+).