Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Yellow - 100 / Box

10" x 13" interoffice envelopes feature a string-and-button closure to conveniently route documents. These envelopes are a must in any office. They keep documents contained and organized while routing throughout the office. 28 lb. yellow stock is durable for prolonged use. String-and-button closure holds up over time and makes accessibility easy. Envelopes are formatted with five columns on one side with narrow ruling to fit signatures. Envelopes are hole-punched on both sides to provide a preview of contents without opening.