【PRO SIZE FILAMENT BAGS】 32X34cm filament storage bags, Fit to all 1kg filament spool. Other regular sizes that are too small for some 3D Printer Filament. 【FILAMENT STORAGE BAGS KIT】 OVV3D 3D printer filament storage kit contains: filament bags*30, 60 KPA automatic air pump*1, reusable non-toxic desiccants*30, sealed bag clips*5, without humidity indicator cards or discoloration desiccants which both contain Cocl2. 【SUPER STRONG SEALING BAGS】 Designed specifically for 3D printer filament, these 3D filament storage bags are stronger, tougher, more airtight, and more moisture resistant than ordinary food vacuum sealing bags. Nice size design widely fits 99.99% 1kg 3D printer filament and some filament bundle in the market. 【60KPA POWERFUL SUCTION】 Higher suction power than all automatic pumps on the market. You will seal filament storage bags in just a few seconds, easily, quickly and efficiently. Use our auto pump to expel air and moisture, keeping your filament dry and effective. 【30PCS REUSABLE DESICCANTS】 Pure and non-toxic silica gel desiccant has the strongest moisture absorption performance. It can absorb more than 40% of its own weight in moisture. After absorbing moisture, the desiccant can be dried in an oven or microwave to restore it and then reused in filament storage bag. OVV3D Filament Storage Bags Kit 66pcs, 3D Printer Filament Storage 30 Bags Vacuum Sealed Kit with 30pcs Desiccant, Auto Pump, Perfect for 3D Filament Storage or Using After Filament Dryer Box