Halloween pirate costume. Creative Infant Halloween Costumes for Babies, All Treats, No Tricks. Infant-halloween-costumes-for-babies-that-any-parent-can-pull-off. Perhaps you are a new parent, and you are looking at ideas for infant Halloween costumes for babies for the first costume, your new addition to your family has ever worn. After receiving the costume, you will receive 5% refund and another 10% discount on your next order if you make a review on our site or share us your photo with that costume worn.