Strathmore 400 series printmaking cards are a natural white paper with a high Alpha cellulose wood fiber content. This makes them suitable for absorbing large amounts of ink and more durable than Regular creative cards. Medium-textured surface and ideal for lithography, intaglio, screen printing, and relief printing. Full sized 5 inch x 6.875 inch 280 G/M2 weight paper with 5.25 inch x 7.25 inch 104 G/M2 weight envelopes. Ten cards and envelopes included, acid free. This item is manufactured in United States.