Combo Storage kit, 2 bags + 1 pump

1.Can help you store the filament dry. It`s clean can also be used as food packaging.

2.Vacuum/Sealed /household /1kg filament/reusable.

3.When the filament exposed to damp air for a long time, it becomes brittle and printing fails.Vacuum bag is a great way to solve this problem by keeping the filament in vacuum storage when you're not using it. And can be reused many times.Store 1 kg filament in vacuum environment.