As employees pass materials back and forth, they can record the department name and notes in the dual-sided, preprinted boxes. This way, an organizational system will be clearly defined, helping inter-office communication flow smoothly and effectively. Crafted from durable paper with string and button closure, the envelopes are also tear-resistant and reusable. Seam Type: Center; Flap Type: Cheese Blade; Trade Size: #97; Security Tinted: No.