These straight flap, open end envelopes feature a professional, color that looks both luxurious and enticing in the mailboxes of their recipients. The size and shape of these envelopes makes them ideal for receipts, narrow invitations, invoices, tickets, folded documents, and more. Each of these envelopes also features a reliable gum closure to keep items secure as they make their journey through the mail.Details:Available in multiple countsDark gray4.125" x 9.5" (#10) size28 lb. (105 gsm)Made with 100% recycled paper