Durable 3D Printer Filament Storage Bags (10-Pack) Vacuum Compression Sealed Dry Bag with Hand Pump, Desiccants, 6-dots Humidity Indicator Cards

• These storage bags are thickening, durable and reuseable many times. This 3D Printer Filament Storage Kit allows you to kepp your filaments in good condition and Dry and away from dust.
• Double snap-in sealing strip to ensure no air leakage, Please must use them correctly according to " User manual " which included in the pack so that no air leakage.
• Size: 34cmx30cm, fits for 1kg or 0.5kg Net weight filament spool
• Material for Bag: PE + PA, Temperature resistance: -20C - +110C
• Package: 10pcs 34x30cm bags, 1pc hand pump, 2pcs sealed clips, 10pcs Humidity indicator cards and 10pcs Desiccants.

Double snap-in sealing strip to ensure no air leakage, Please must use them correctly according to " User manual " which included in the pack so that no air leakage. How to Use: Step 1. Open the bags, put the filament into the bag, PLEASE DO NOT Fill over the warning line; Step 2.Use Sealed clip to seal the double lines zipper and must check it again to be sure all sealed; 3. Put the bag on the flat position and also flat the air valve, and ensure air valve not blocked; 4.Pull the pump up and stop for 5 seconds, then start pumping after Using suction to open the air valve.; 5. Please Press the Air Valve with your finger after stop pumping to ensure no air leakage from the air valve.