JAM PAPER A9 Foil Lined Invitation Envelopes - 5 3/4 x 8 3/4 - White with Ivory Foil - 25/Pack Color: White Size: A9 (5.75 x 8.75 inches) Quantity: 25 per pack Our envelopes are made from 24 lb paper and feature a straight flap gum closure with a smooth finish These envelopes are perfect for sending invitations, greeting cards, RSVP's, thank you cards, gifts for birthdays, graduations, holidays and more