Personalized 1st Birthday Puppy Women's V-Neck T-Shirt. I'm one cute puppy. Celebrate your baby's first birthday with this adorable little doggie. Happy 1st birthday one-year-old! 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit