• Card Size | A2 (4.25 x 5.5 inches) • Printed in full color on heavyweight, natural white cover paper • Envelope | natural white made from recycled citrus pulp • Blank interior • Package | eco-friendly clear sleeve (made from compostables and plant materials) • Made in USA LetterWood sources earth friendly materials from companies that use sustainable practices, recycled content, and renewable energy resulting in a reduced carbon footprint. High-quality papers are USA made, FSC® Certified, SFI-Certified, and Rainforest Alliance Certified™ featuring post consumer recycled content. Envelopes are made in Michigan from sustainable fibers using 100% renewable electricity generated by on-site, emissions-free hydroelectric power. Clean water stewardship includes investment in minimizing ecosystem impacts.