The JAM Paper #12 (4.75" x 11") recycled envelope makes a great option for distributing official materials, sending mails or filing important papers.JAM Paper® Brown Kraft Paper Bag Recycled #12 Open End Policy Envelopes are a stylish, unique, and eco-friendly alternative to ordinary manila policy envelopes! This pack contains 50 envelopes in total. These envelopes measure 4.75 x 11 inches each and are made out of 100%, mildly textured 28lb paper! The size of these envelopes makes them ideal for receipts, invoices, cash, checks, folded documents, announcements, tickets, boarding passes, sales slips, and more! Each of these envelopes features a secure gum closure to keep items safely in place as they travel through the mail. Use these versatile envelopes for multiple home and office mailing needs!