Is It Appropriate To Send Save The Date For Birthday Party Are Save The Date Cards Appropriate For Child Birthday Parties?

Are save the date cards appropriate for child birthday parties? - is it appropriate to send save the date for birthday party

He continues to save parents to refer a part of the birthday cards for my son? His birthday falls during the summer when school is over in July to be exact. I just wanted to send a simple save the date cards as a reminder of the next. I intend to further formal invitation 2 weeks before the festival mail. Oh, she is 9 years.