Acid and lignin free paper is used to make our range of paper stationery. #10 envelopes are regularly used for letter sheets, slim cards and business correspondence. They make good envelopes for flyers and slim brochures as well. We have different themes featuring the patriotic stars and stripes, sheet music, heavenly angels, red roses, harvest, printed patterns, pink rose petals, solid covers, school stuff, party themes, graduation, baby themes, envelopes in plain solid colors and gold, silver and red foil lined envelopes. We also stock design coordinated letter paper, note cards, invitations, post cards and business cards for these envelopes.