2015 Moon Calendar Cards, with Realistic Lunar Features & Colorful Eclipses (10-Pack) A set of ten beautiful and colorful jumbo (6 x 11) postcards. Easy-to-read legend for easy reference. Eclipses also portrayed. Can be mailed anywhere within the USA with first class postage. Reverse side accommodates handwriting or laser-printing. Makes a fine holiday greeting card or promotional mailer.