3D Printer Filament Storage Bags 20 Pack Vacuum Sealed Kit with Electric PumpFeature:✅ 【Dual-Size Vacuum Protection】15 bags of 30x34cm & 15 bags of 33x38cm provide perfect fits for both standard 1KG spools and larger filament rolls. The 18-silk PA+PE material with double-layer zipper ensures complete airtight sealing against moisture and dust.✅ 【Enhanced Moisture Control】Includes 30 reusable silica gel desiccants (50% more than standard kit) and 8 reinforced zipper clips for superior humidity protection. Ideal for high-volume users or humid climates.✅ 【Professional Electric Pump】500mAh electric pump (with charging cable) creates a vacuum in seconds—no manual effort needed. Perfect for workshops with multiple spools to seal.✅ 【Premium Durable Material】BPA-free PA+PE composite (18-silk thick) resists punctures and is safe for PLA/ABS/PETG/TPU/nylon. Suitable for daily use in schools or factories.✅ 【Complete Pro Kit】All-inclusive: 30 bags, pump, 30 desiccants, 8 clips, static-proof storage bag. No extra purchases—ready for commercial-scale storage.✅ 【Instructions for Use (To Prevent Bag Damage)】1. Keep filament ends trimmed – Sharp or bent filament ends can puncture the bag. 2. Always re-secure the filament – After use, do not leave filament loose; tuck it back carefully to avoid poking the bag. 3. Avoid over-tightening the bag – Pulling the bag too tight around the filament or sharp printed parts may cause punctures.Package included:

• 30 x Filament vacuum bags
• 1 x Auto Air Pump with charging cable
• 30 x Reusable Desiccant
• 5 x Zip Sealer Clips