Each one features a white color and a shiny colorful foil lining! To keep items secure as they travel through the mail, these envelopes have straight flaps and reliable gum closures. The shiny interior of these envelopes makes them fantastic for the holiday season! Use them to mail out Christmas greetings, invitations to your upcoming holiday party, and more! They are great for giving away gift cards or for including notes and messages along with larger gifts. Details:Available in multiple foil colors 4.375" x 5.75"24 lb. 50 envelopes