Prepare for daily tasks by having these heavy-duty envelopes on hand at all times. Extra-heavyweight envelopes are ideal for mailing important documents, client files and customer correspondence. Simplify your workday processes with handy office supplies and speed up packaging and mailing tasks.Holding PowerAvoid the risk of losing valuable documents when using these 6" x 9" envelopes. The heavily gummed flap is sturdy and features a reusable metal clasp to secure your files while in transport. Insert multiple pages, small books and cards with the reassurance that the heavy cardstock construction can handle the weight. Spend less time worrying about your package with the holding power of these must-have office supplies.Attractive PackagingDisplay your professional side when mailing documents and files in a sleek and neutral manila envelope. Attach your own mailing labels or easily hand write addresses on these attractive envelopes. Neutral-colored mailing supplies are ideal for any occasion and come in handy when sending a personal note or a professional file.Bulk BenefitsA large package of these extra-heavyweight envelopes keeps your office or home stocked. Buy in bulk when purchasing the 100-pack to ensure you are prepared when it is time to mail an important document to a client or store personal receipts or financial documents.