AMOLEN Filament Storage Bag Vacuum Kit with Two Sizes - 51 PCS Cleaning Drying Sealed 25 Bags for 3D Printer Filament with Desiccants/Humidity Indicator Cards/Clips/Hand Pump

Specifications Material: Food-grade PE+PA Quantity: 45 PCS Package List Vacuum Bags *10 (11.8x13.4inch for 1kg spool) Vacuum Bags *2 (12.6x17.7inch for two 1kg spool) Hand Pump *1 Sealing Clips*2 Desiccant*15 NOTE: Filament is not included Please press the air valve by hand after each air extraction to ensure that there is no air in the air valve. If the manual pumping is slow you can squeeze out a part of the air before pumping and we will launch an electric pumping device soon.