The Polymaker 3D Printing Filament Storage Box 4-Pack is a set of plastic storage boxes designed to store and protect 3D printing filament. The PolyDryer Box x4 features continuous filament sealing and protection with PolyDryer technology, ensuring the quality and freshness of the filament. With dimensions of 19.5 x 11 x 11 inches and weighing 6.16 pounds, this storage solution is convenient and practical for keeping your filament organized and ready for your 3D printing projects. Made in the United States by the reputable brand Polymaker, this product has received excellent customer reviews and is a must-have for any 3D printing enthusiast.