These are wedding invitation cards with envelopes and seals and custom personalized printing of your information including names, wedding date, ect. One piece is for sample which includes one card, one envelope and one seal. Sample cannot be personalized. Invitaitons of 30pcs and 50pcs can be customized with your information. We can design for you. If you have your own design, it is also ok. We will ask you to confirm before printing is done. Printing can be black or brown. If you need blank invitations, it is also ok.