3D printer accessories for makers who need organized filament storage between prints. Serplex bags help keep PLA, ABS and PETG spools together while reducing exposure to ambient moisture and dust.Use them at home, in a workshop or during filament transport. Place a spool inside, fit the manual air pump to the valve and remove air before sealing the bag with the clips.The reusable format offers a practical alternative to loose spool storage and single-use coverings. The included pump and sealing clips make this a useful addition to a 3D printer tools kit or everyday 3D printing tools collection.Keep the bag away from sharp edges and excessive heat. Store clean, dry filament inside, close the seal fully and check the valve before storage. Contact Serplex support for product assistance.