3dRose Gold Glitter Seahorse Sunlit Ocean Tropical Greeting Cards, 6" x 6", Set of 12 (gc_211233_2) Dimensions (in inches): card 5.5 H x 5.5 W, envelope 6 H x 6 W Heavy duty card stock with blank interior Additional postage may be required Cards are creased for Easy folding Set of 12 greeting cards; 12 white envelopes included.