JAM Paper® Silver Stardream Metallic 6.5 x 6.5 Square Invitation Envelopes are made out of high quality, 32lb metallic paper. Each one measure 6.5 inches on all sides and features a perfectly square shape! With their bright and shining silver color and metallic finish, these envelopes are certain to stand out and get the undivided attention of all of their recipients! 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. There is a total of 25 envelopes in this pack. Use these silver square envelopes to send invitations, announcements and more through the mail.