Product Key Features: 1.Large Bag Size for Great Compatibility：The large size of 32 * 34cm filament vacuum storage bags can not only store all 0.5KG/0.75KG/1KG filaments and 1.75mm/2.85mm/3mm filaments, but also be used to store other 3D printing consumables The design of electric pumps can save more time and effort. 2. Light-blocking and Well-sealed Vacuum Bags: Filament storage bag made of PE+PA composite material, strong and durable, not easy to puncture, designed for 3D printer supplies. The back side is black blackout to protect the filament. Double sealed zipper and single embossed design, waterproof and no layer shift to ensure the printing quality of the consumables. 3. USB Port Compression Pump: 50Kpa poerful suction, you will seal filament storage bags in just a few seconds, easily, quickly and efficiently. Use auto pump to expel air, Protection your filament effective.It also works quietly and quickly at less than 30db. 4 Steps to Filament Vacuum Storage Bags： Put the Filament inside vacuum storage bag Zip along the dual-zip 2-3 times and ensure the zipper is fully sealed Use the supplied vacuum cleaner to suck out all the air by pointing it at the air valve on the bag press and secure the air valve Products Included: Filament Vacuum Storage Bags * 20 (Size：12.6 * 13.4 in） Portable Hand-free Pro Pump * 1
  • Plus Size Bags are Compatible with a Wide Range of Filaments: 32 * 34cm（12.6 * 13.4in）vacuum bag is compatible with 0.5KG/0.75KG/1KG filament and 1.75mm/2.85mm/3mm filament.It can also be used to store other printing consumables
  • Light-shielding: Vacuum bag with black transparent color combination, one side is convenient to identify the product, and the other side can avoid light to reduce the filament wear and tear
  • PA+PE Material:Filament vacuum storage bag made of PE+PA composite material, durable and not easy to puncture.Especially designed for 3D printer filament
  • USB Port Vacuum Pump：Compared with the traditional standard plug, the vacuum pump with USB+Type C interface can be connected to the power bank, laptop and other USB sockets, which is very convenient to use and carry
  • Usage: Seal with clip, flatten valve, align with pump, press and turn on. Hold for 1-2 seconds until air is removed and pump stops