With their bright, metallic finish, these envelopes are certain to stand out and get the undivided attention of all of their recipients! Each one features a perfectly square shape and is made of high quality metallic paper. To keep the items placed within these envelopes secure as they are being transported through the mail, they feature straight flaps with reliable gum closures.Details:Available in multiple colors6.5" x 6.5"32 lb. (120 gsm)25 envelopesMetallic paper