Add some eco-conscious elegance to your everyday mail Designed for wedding invitations, thank you cards, holiday cards and more. Complete with matching 24-lb paper or 65-lb card stock (not included). Made of 24-lb parchment paper. Paper finish features a pattern resembling marble surfaces and is smooth to the touch. Acid-free paper resists yellowing and fading. Gummed closure creates a secure seal to help keep contents safe. Greener choice - contains 30% postconsumer recycled content.