WILTON: Print-Your-Own Invitations Kit: Silver Sweethearts. This kit makes it easy to make your own invitations that have a custom- printed look! Matching reply cards give a truly professional feel. The invitations measure 8-1/2x5-1/2 inches and the reply cards measure 4-1/4x5-1/2 inches. Complete kit contents include fifty invitations and envelopes; fifty reply cards and envelopes; and three test sheets. Imported.