"birthday invitations" refers to a card or message that is sent out to friends and family to ask them to come and celebrate someone's birthday with them. Full definition
Making a personalized birthday invitation is a fun opportunity for your child to express her creativity and is a great way to save money. (thespruce.com)
Design and create your own birthday invitations for the party. (thespruce.com)
Make these easy owl crafts as birthday invitations or just to deliver a special message to your child via owl post. (allfreekidscrafts.com)