Each package contains eight 4 by 6 inch Invitations for Adventure Boy. These invitations are designed by Moxzie, Inc. to coordinate with the Go Diego Go! Party Supplies and printed on high-quality satin sheen paper. Simply fill in your information with any gel ink, ball-point, or felt-tip pen and mail in the envelopes provided. Your guests will be impressed with these kid-friendly, one-of-a-kind invitations.