Card Size: This invitation card size is 4 x 6 inches, 20 double-sided invitation cards and 20 envelopes Material :This invitation cards is rich colors, not easy to fade. Made of coated paper, which is thick, not easy to tear and deform. Design: There are lines printed on the front of the invitation card and enough space to fill in your name, date, time, location and other message. Unique Invitation: Add a touch of formality and fun to your event with this stylish invitation. It's a memorable way to invite your guests and get them excited to attend your special celebration.