20pcs 3d Printer Filament Moisture-proof Storage Bag Reusable Vacuum Sealed Bags

[Maintain Print Quality] - Wet Print Filament Roll May Cause Clogging, Air Bubbles, Rough Surfaces, Layer Shifting, Etc. This Vacuum Sealed Bag Will Keep Your Filament Dry And In Perfect Print Quality. [Reusable Bag] - The Exhaust Port Is Covered With Adhesive Paper And Can Be Used Repeatedly. [Easy To Use] - Put Your Filament In The Bag, Lock The Zipper Seal With Sliding Clip, Hold The Exhaust Port On A Flat Platform, Release The Air With The Pump, Press The Tape To Prevent Any Air Leaks.