JAM Paper Plastic Expansion Envelopes with Hook & Loop Closure - Letter Open End - 9 3/4 x 11 3/4 with 1 inch Expansion - Clear - 12/Pack Color: Clear Size: Letter (9.75 x 1.25 x 11.75 inches) Quantity: 12 per pack Our colorful business set of envelopes are made with smooth, semi translucent plastic that is scratch, water, and tear resistant These document holders are perfect for staying organized at the office, at school, or on the go!