This multi-functional foldable rolling file box set includes two file boxes made of durable polypropylene plastic. The stackable design maximizes vertical space while providing easy access, making it a clever solution for organizing files in any space. Each file box contains ten letter-size hanging folders, for a total of twenty, to meet your various file storage needs. Built-in wheels ensure smooth movement of the file boxes at home or in the office. A removable safety lid effectively prevents dust, and an integrated handle makes it easy to carry. The assembled dimensions are 13 x 16.25 x 23.25 inches, and each file box can hold up to 17 lbs, for a total weight capacity of 34 lbs when stacked. This multi-functional storage box is perfect for storing documents, books, craft supplies, and household essentials. Lightweight and portable at only 2.6 lbs, it is sturdy and durable for everyday use, making it ideal for home.