The Bambu Lab Empty Reusable Spools are a pack of 16 high-quality spools designed for use with 3D printers. Made by the reputable brand Bambu Lab, these spools are perfect for storing and organizing your 3D printer filament. The empty design allows for easy loading and reloading of filament, making them convenient and practical for any 3D printing enthusiast. Keep your workspace tidy and organized with these durable and reusable spools.Ships in 1 day.IMPORTANT: We may ship the darker colored spools when available. These are higher quality spools with higher thermal resistance.