The Polymaker Filament Storage Box, also known as the PolyBox Edition OB, is a convenient storage solution specifically designed for 2x1kg spools or 3kg spool of filament. Manufactured by Polymaker in China, this storage box helps organize and protect filament, making it easy to access and use for 3D printing projects. With its durable construction and compact design, this product is a practical choice for keeping your filament in a clean and easily accessible place.