FOOD SAFE MATERIAL - Made with clean, food-safe materials, it also doubles as a versatile solution for storing food. REUSABLE VACUUM BAG: Durable and reusable, provides an eco-friendly storage solution for 1kg. Ease of use: Home use with vacuum seal functionality for convenient preservation. Multiple Filament Compatibility - Optimized for PLA, PETG and ABS filaments, meeting various 3D printing needs. Vacuum bag for vacuum bag storage, moisture resistance: moisture, ensuring the stays dry, preventing brittleness and printing failures.