The cards are printed in vivid and vibrant colors, and each invitation measures 4" wide x 6" long and includes 20 cards and 20 matching envelopes. These cards are made of high quality thick card stock, thick and easy to write on; stain resistant and durable. There is enough space for you to fill in this information. Perfect for kids and teens, invite friends and family with these beautiful invitations for an unforgettable party!