Do you want to create and send a creative invitation letter? Guidelines for writing invitations: State the occasion, date, time, and place.Include addresses and a map if necessary. A lot goes into planning a special event, but the invitation letter doesn't need to add any stress. These samples can help you craft the perfect invite. Design a pictureperfect picnic invitation with these wording, design tips, and customizable templates for your next outing. Simply ask they RSVP the invitation indicating which dish they will bring. Wondering how to write an invitation letter for a church event? You've come to the right place. Make it extra special with picnic invitations that you can design from Canva's editable templates.