These high-quality, smooth 2-ply Bristol cards are excellent for fine line drawings using pen and ink or marker. Included envelopes are 70 lb. (104 gsm) with deckled edge. The announcement size cards measure 3.5" x 4.875" and include 3.625" x 5.125" envelopes. The full size cards measure 5" x 6.875" and include 5.25" x 7.25" envelopes.