Thank the buyer
Start with warmth, since a gift is a vote of trust.
Explain the start date
Say when the first box ships and how to choose a date.
Cover the gift message
Show how to add a note and who sees it.
Explain renewals
State clearly whether the gift renews or ends.
Say what the recipient sees
Confirm they will not see the price.
Offer help if it is late
Give a way to reach you before the occasion.