Enhanced Moisture Protection: The filament storage bags feature a robust double closure zipper design, ensuring an optimal sealing effect. This advanced sealing mechanism is crucial for maintaining your filament dry and protected, thereby extending its usability and effectiveness over prolonged periods. Optimal Print Quality Maintenance: Exposure to moisture can severely degrade the quality of your printing filament, leading to issues such as clogging, air , and rough surfaces. Our vacuum-sealed storage solution effectively your filament from humidity, ensuring consistently high- results without the frustration of filament degradation. Superior Construction Materials: Crafted from high-quality materials, our storage bags are designed for repeated use. Their robust construction not only ensures long-term durability but also supports sustainable practices by reducing the need for frequent replacements. User-Friendly Design: To use, simply place your filament inside the bag, secure the zip lock using the sealing clip, and remove the air using the included pump. A flat platform is recommended for the air valve during the air extraction process to maximum efficiency and to prevent air leakage. Important Usage Tip: To avoid damaging the storage bag, do not tear off the air valve on the exhaust port. Instead, attach the air pump directly to the air valve to safely and effectively remove air from the bag, thus preserving its integrity and functionality. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Blue Material:PE Size:About 30x34cm Package Contents: 10 * Vacuum Storage Sealing Bags 10 * Filament Dry(Random styles, no specifications accepted) 2 * Sealing clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.