Gray-red Paper Gummed Flap Personal & Confidential Interoffice Envelope, #97, 10 X 13, Gray-red, 100-boxPersonal information can stay personal. The gum adhesive offers a secure seal, but it's the special confidential labeling that solidifies the contents' importance. Used mostly for intra office communication, the envelopes provide a way for executives and project managers to transport urgent messages discreetly. Seam Type: Center; Flap Type: Cheese Blade; Trade Size: #97; Security Tinted: No.