Tree-Free Greetings strives to use the most sustainable materials and processes possible. Printed and assembled in the USA on 100 percent post-consumer recycled paper, this set of 12 blank notecards is the perfect way to send your best wishes for any occasion. These notecards measure 4 x 6 inches and have matching color-coordinated envelopes. Add some flair to your handwritten notes with these unique, beautiful blank notecards that are Green e-certified. Brighten someone's day, and brighten everyone's future with a sustainable Tree-Free gift today!.