ECOeverywhere Penguins Boxed Card Set, 12 Cards and Envelopes, 4 x 6-Inches, Multicolored (bc12802) 100 percent made in the USA 100 percent silk PCW recycled envelopes Premium Mohawk recycled card stock Matching decorative interiors Packaged in reduce, reuse, rejoice 100 percent post consumer recycled box with clear acetate lid