Staples Poly File Pocket, 1" Expansion, Letter Size, Assorted Colors (51841)

Protect checks and other small documents with these letter-size plastic zip envelopes. Each one can expand up to 1 inch to accommodate various items or a thick stack of papers, while the plastic construction ensures contents stay water-free and damage-free. These Staples 1-inch-expansion plastic zip envelopes have a zipper that holds contents inside securely while providing quick access.