When baseball game is the theme your invitees naturally get excited. The theme also makes the guests jovial when they get the invitation card in hand. In baseball birthday invitations it’s always a grand idea to design the invitation card in the shape of a ball or creating an image of a player in action on the background of the card. These are available in supported file formats like word, pdf, and psd etc. You can also have Mickey Mouse Birthday Invitations. Baseball Birthday Invitations Theme is meant for invitees with whom you have very cordial relationship like your friends, relatives and close neighbors. The body of the should invitation inform the invitees regarding whose birthday you are celebrating, date and time of invitation and complete address of the venue.