Vacbird 20 Pack 3D Filament Vacuum Storage Bags, Upgraded Light Blocking Design with USB Pump, 2X Faster Air Removal, Universal Pump Fit, 12.6×13.38 Inch
Universal Filament Compatibility - 32×34cm (12.6×13.4in) bag fits 0.5/0.75/1KG spools & 1.75/2.85/3mm diameters; also stores other 3D printing accessories
Light-shielding - Black-transparent dual sides - transparent for quick filament identification, opaque to block light and reduce wear/oxidation
USB+Type-C Portable Vacuum Pump - Works with power banks/laptops/USB outlets—no fixed sockets needed, ideal for home/workshop use
Tough PA+PE Composite Material - Puncture and tear-proof, engineered specifically to safely store 3D printer filaments