3dRose Never Trust An Atom They Make up Everything - Greeting Cards, 6 x 6", Set of 6 (gc_213958_1) 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 6 greeting cards; 6 White envelopes included.