These square envelopes are made out of high quality, metallic paper. Each one features a perfectly square shape! With their metallic finish, these envelopes are sure to stand out and warrant the focused attention of all of their recipients! To keep the items placed within these envelopes secure as they are being transported from origin to destination, they feature straight flaps with reliable gum closures. Details:Available in multiple colors6.5" x 6.5"32 lb. (120 gsm)50 envelopesPaper with metallic finish