ELEGOO Filament Vacuum Storage Kit with with Upgraded Auto Pump and Bags, 20 Pack Vacuum Sealed Bags for Keeping 3D Printer Fila

Material: PA+PE Material Thickness of the bag: 0.21 mm Package List: 1. 20 Vaccum Bags (13.8 x 12.6) 2. 4 Sealing Clips 3. Type-C Charging Cable 4. Auto Pump How to Use: 1. Put the filament into the vacuum bag. 2. Use the sealing clip to seal the vacuum bag. 3. Put the pump right on the air valve and pump the air out. 4. Place it flat on a clean indoor surface and check regularly. Indicator Light: Pumping: Blue light on Low Battery: Red light flashing Charging: Red light flashing Fully charged: Blue light on