The Anycubic Empty Reusable Filament Spool is a set of 4 spools designed for 1.75mm filament. Made from plastic, these spools are compatible with Anycubic printers and are ideal for storing and protecting filament. The spools are empty and can be used with 1kg lots of PLA filament, making them a convenient and practical addition to any 3D printing setup. Manufactured by Anycubic in China, these reusable spools offer a reliable and cost-effective solution for organizing and using filament in your 3D printing project