These larger size cards can be used to design a greeting for any occasion. Full Size matching envelopes are 5.25" x 7.25". These blank cards are made of 400 Series Mixed Media heavy-weight 140lb. (300/gsm) paper. The acid-free paper features the attributes of a watercolor paper but with a vellum drawing finish, making the cards ideal for watercolor, gouache, acrylic, graphite, pen & ink, colored pencil, marker and collage. Each pack includes ten cards and envelopes. Made in the USA.