Use your creativity and imagination to make cool customized cards with the Strathmore® watercolors cards. These cold press watercolor cards are ideal for making invitations for birthdays, anniversaries, bridal showers, and other announcements. In addition, they can be used for designing greeting cards for birthdays, holidays, and other occasions. Made from quality 140 lb paper, they provide great surface strength. This pack of 10 comes with 5.25 inch x 7.25 inch blank cards and envelopes.