Strathmore Watercolor announcement cards are made from 140lb cold press watercolor paper with an excellent surface strength. This 3.5 x 4.875 inch card is perfect for formal announcements, gift enclosures, invitations, change of address and thank you notes. Matching envelopes are made from 70lb text paper and measure 3.625 x 5.125 inches. Pack of 10 cards and envelopes.