External dimensions: 12.52 x 9.45 x 0.94 inch; Internal dimensions: 12.2 x 8.9 x 0.71 inch. Thick & Durable Construction: Our paper folder organizer are crafted from high-quality PP material, ensuring they are anti-dust and moisture-proof. With excellent flexibility and strong weight-bearing capacity, these document holders resist deformation, providing long-lasting durability and easy cleaning. Snap-Tight Latches & Portable Design: Featuring a convenient snap-tight latches design, these arts and crafts organizers securely close, preventing items from falling out. The lightweight design makes them easy to transport, Ideal for on-the-go organization. Versatile Use: Ideal for a variety of items, our file storage boxes are Ideal for magazines, drawings, photos, stamps, envelopes, card stock, and crafts. They are suitable for use at home, in the office. 4-Pack Portable Project Case: Keep your documents and magazines organized with our craft organizer and storage boxes. They help prevent loss, wrinkles, or damage to your important documents, ensuring your workspace remains neat and tidy. External: 12.52 x 9.45 x 0.94 inch. Internal: 12.2 x 8.9 x 0.71 inch. Durable PP Material: Anti-dust, moisture-proof, flexible, and strong; built to last and easy to clean. Secure Snap-Tight Latches: Keeps contents safe and prevents spills during transport. Versatile Storage: Ideal for magazines, drawings, photos, stamps, envelopes, and crafts.