Trust your important records to these acid-free polypropylene envelopes. The contents are clearly visible for quick reference. Great for document storage & inter-department use. Hook & loop closure secures 8.5" x 11" documents in place. Durable enough to use again & again, making them very cost-effective. This product will be cheerfully replaced with one of equal value if defective in materials, manufacturing or packaging at the time of purchase. Except for such replacement, this product is sold without warranty or liability even though defect, damage or loss is caused by negligence or other fault. Seam Type: Weld; Flap Type: Round; Security Tinted: No; Opening: Open Side.