Smead Top-Load Envelopes, 1 1/4 inch Exp, Jacket, Letter, Poly, Clear, 5/PackHeavy-duty poly envelopes resist tears and repel moisture. Perfect for long-term storage of important documents and work well for storing everyday papers. Gusset expands up to 1 1/4" to accommodate bulkier materials. Hook-and-loop closure is designed for everyday use. Acid free, PVC free, archival quality. File Jackets/ Sleeves/Wallets Type: Expanding Envelope Jacket; Material(s): Polypropylene; Height: 11 5/8"; Width: 9 3/4".