JAM Paper Letter Booklet Plastic Expansion Envelopes with Hook and Loop Closure are 9.75" x 13" in size with a 1" expansion. In this pack of 12, each envelope has a hook and loop closure for tight closing and easy opening. Their size makes them perfect for standard-sized documents and small office supplies such as pens, markers, letter openers, scissors, and more. With their bright coloring, they bring just a hint of self expression to any workspace! Their durable plastic material will protect your documents from bending, tearing, stains, and other damage. Use them in the office to easily keep your documents in drawers and on shelves. Use them to transport documents; they effortlessly fit into backpacks and briefcases!Details:Available in multiple colors9.75" x 13"Hook and loop closure12 envelopes per packPlastic