What's the principle of a vacuum pillow?
The vacuum pillow is not introduced much now, but it will not happen as the landlord said, and the manufacturer will definitely consider its safety when it is produced! Don't worry！
The vacuum inside the pillow is a kind of expanding cotton did not use in the factory before the vacuum is used when the expansion will not explode after use can be assured that we like in the supermarket to buy food products on behalf of loading is the same reason.
