You get 4 of these! Bambu branded spool. The Empty Bambu Labs Reusable Filament Spools are high-quality, durable spools designed for storing and organizing your 3D printing filament. these spools are reusable and perfect for keeping your workspace organized while also reducing waste. With a unit quantity of 1, these spools are ideal for 3D printer enthusiasts looking for a reliable and eco-friendly storage solution. Made in the United States by Bambu Labs, these reusable filament spools are a must-have for any 3D printing enthusiast.