Useful for storing and mailing more than just paper products, these envelopesare suitable for a variety of office settings. No matter what an envelope holds, the kraft construction offers tear-resistant support along with secure, Redi-Seal adhesive. Plus, they’re designed specifically to save time and waste in bulk orders. Seam Type: Center; Flap Type: Cheese Blade; Trade Size: #10 1/2; Security Tinted: No.