The t-shirts have the words "Mom of the Birthday Boy", "Dad of the Birthday Boy", and "Birthday Boy" printed on them. The t-shirts are made by GFASHION and are made of 100% cotton.These t-shirts are a great way for a family to celebrate a birthday. They can be worn by the parents and the birthday boy, or they can be given as gifts to other family members and friends. The t-shirts are a fun and festive way to show your love and support for the birthday boy.