Fangrui Product Details Designed For A4 Us Letter Sizes: Measuring 12.4x9.8x1.18 Inches, These File Boxes Are Perfectly Sized For A4 Papers And Us Letters, Ensuring Your Documents Remain Unbent And Neatly Organized Within The Sturdy Structure. See-through Design With Colorful Buckles: The Clear Plastic Material Allows For Easy Visibility Of Contents, Speeding Up The Process Of Locating Documents. The Addition Of Colorful Buckles Not Only Adds A Touch Of Style But Also Aids In Categorizing And Securing Your Files Effectively. Robust Construction With Thick Plastic: Crafted From High-quality Plastic With A Thickness Of Approximately 0.08 Inches (similar To A Coin), These Boxes Are Designed To Withstand Impacts And Resist Breaking Or Deforming, Ensuring Durability For Prolonged Use. Versatile Storage Solution: Ideal For Organizing Scrapbooks, Magazines, Books, Photos, Stamps, And More. These Boxes Are Not Only For Keeping Your Desktop Tidy But Also Serve As An Excellent Storage Solution For Homes, Offices, And Classrooms.