Quality Park Inter-Office Envelopes come in a box of 100, designed for secure internal communication. These envelopes are treated with an antimicrobial agent to inhibit the growth of bacteria, mold, mildew, and odors, ensuring a clean and safe option for your office needs. The interior security tint protects your privacy, while the string-and-button closure keeps your contents secure. Each envelope features printed space for 52 entries in a standard five-column style.