JAM Paper® Clear 2 Pocket Letter Booklet Sized Plastic Expansion Envelopes with certified Hook & Loop closure are 9.75 x 13 inches in size and have a 2-inch expansion. The upper pocket of this envelope is equal to the envelope's full size, making it perfect for important documents and files. The lower pocket is about the size of a standard envelope, making it ideal or folded letter-sized documents, or for small desk supplies. Each envelope is made of durable, pliable plastic that will protect your documents and items from bending, scratches, tearing, stains and other damage. Each pocket features a certified Hook & Loop closure that closes tightly and opens with ease! The clear quality of these envelopes is appropriate for both school and office and allows you to see your stored items from the outside. This pack includes 12 envelopes.