Outer envelope. Inner envelope. Cardstock and calligraphy. The front of your refrigerator is covered with them, and you’d looked at more than a few for your own festivities. Invitations can be less than inviting when they all start to look the same. Thankfully, House of Papier provides a posh alternative to unsophisticated stationery. The company’s couture silk box invites are completely custom, ensuring your event is one date your guests will never forget. See more styles here.