Square light green envelope designed to match our “Greek Key Green” invitation. Front and inside have an image of a gold Greek key. FromYouCanPlanAParty.com. See the entire Toga Envelope collection in the INVITES | Envelopes section at YouCanPlanAParty Merch Mart. Learn about planning a Toga party in the third book of our Enlightened Party Planner book series Our Favorite Parties.