Strengthen in-house communication with Quality Park 2-Sided WR Redi-Tac Inter-Department Printed Envelopes. Unlike traditional envelopes, these are designed for repeated use and come preprinted with labeling columns to help employees stay productive and organized. Thanks to the reusable Redi-Tac adhesive, trading materials will be straightforward for everyone involved. Seam Type: Center; Flap Type: Cheese Blade; Trade Size: #97; Security Tinted: No.