Smead® Poly Side-Load Envelopes, 1 1/4" Exp, Letter, Six Colors, 6/Pack

Heavy-duty poly envelopes resist tears, repel moisture and are available in bright translucent colors for easy organization. Gusset expands up to 1 1/4" to accommodate bulkier materials. Hook-and-loop closure is designed for everyday use. PVC-free and archival-quality. Acid-free. Envelope/Mailer Type: Interoffice; Envelope Size: 9 3/4 x 11 5/8; Closure: Fold Flap; Flap Type: Hub.