JAM PAPER A8 Foil Lined Invitation Envelopes - 5 1/2 x 8 1/8 - White with Silver Foil - 25/Pack White Paper Envelopes with Silver Foil Lining Size: A8 (5.5 x 8.125 inches) Quantity: 25 per pack These envelopes are perfect to use for sending invitations, greeting cards, RSVP's, thank you cards, gifts for birthdays, graduations, holidays and more Envelope Features: Straight flap gum closure, high quality Linen paper finish, 30% recycled, inside of envelope lined with foil