Personalized Unicorn Kitty 1st Birthday Women's Plus Size T-Shirt. Cute 1st birthday Women's Plus Size T-Shirt - White with big polka dot number one, pink flowers and adorable unicorn kitty cat. 1st birthday gift for girls who love cats. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)