Pendaflex Poly Zip Envelope, Top-Loading, Expands 1 Inch, Zippered Closure, 13 x 10.125 Inch, Holds Letter Size Paper, Color May Vary (84192) Assorted color zippers: dark blue, orange, green, pink Extra-tough poly is wear, tear and water-resistant Zipper closure; 1 inch capacity Poly Zip Envelope, Top-Loading, 13 x 10.125 Inch, Holds Letter Size Paper Letter-size envelope