*Durable Material & High Quality: Our A4 file document boxes are made of high quality PP material, anti-dust, it is moisture-proof, good flexibility, strong weight bearing, not easily deformed, durable for long lasting and easy to clean. Documen Storage boxes external size: 12.2 x 9.2 x 0.94 inches. *Snap-tight Latches & Portable Design: The plastic document box with snap-tight latches design, it can close tightly to protect items from falling out. Transparent design maks you can know what you put in it without open it. And you can take a lable on the side to distinguish with other files. *Wide Application: The document box can not only hold files, paper but also can hold magazines, photos, stamps, envelopes, invoices, bills, papers and children's and-cut paper-cuts and drawings. It is a necessary file box in office, school.