This is for one shirt, not a group of shirts- to order 1. Place one size at a time in your cart. 2. Place each additional shirt in your cart. 3. Put your customization in the Note to Seller what we need from you When you place your order in the notes to seller section please enter the following information Name Age Gender (Birthday Boy or Birthday Girl) Family Shirts: We need the relation (ex. Mommy, Daddy, Brother) of the Birthday Girl or Birthday Boy. (All shirts need some form of personalization. If you would like to not have a name or age please let us know.