First envelope: 9 inch length, 6 inch width while folded. Then the flap part opens up the measurements are 12 inch length and 9 inch width. There are 3 cut outs to place a card on the exterior of the envelope (they appear as semicircle shapes on the exterior.) The flap has 6 stamps embossed on the top of the cover. Cartier engraved below the stamps written in gold lettering. The back of the envelope is blank.

The second envelope is 9.5 inch x 6.5 inch. This one has a shorter flap and on it Cartier is embossed in gold lettering.