Our A7 flat cards are made from cover weight paper and fit into A7 envelopes. A classic size for wedding invitations, and wonderful for wedding menu cards, save the dates, and party invitations of any kind. Warm and smoky, Slate is the perfect neutral, adding urban chic to any color pairing.Flat size - 5" x 7"Pack of 25 cardsWhen designing, remember that darker colors may rub off on lighter colors. Consider using a layer (such as tissue) between the different colors.