Number guest list to coordinate with numbers on response cards. If a guest forgets to put his/her name on response card you will know who is responding
Affix postage to reply card envelope and tuck reply card under flap.
Place reply card and other accessory cards on top of reception card by size, placing the smallest accessory on the top.
Insert the invitation and all accessories into the envelope.
After sealing envelope stack in groups, place under a stack of books. This will ensure the seal is tight on the envelope and the enclosures will not fall out
Hand cancel your invitations. This is the best protection for them arriving at their destination in the condition that they were mailed.